cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

Showing 1-10 of 18 results. Next

A154160 Decimal expansion of log_9 (10).

Original entry on oeis.org

1, 0, 4, 7, 9, 5, 1, 6, 3, 7, 1, 4, 4, 6, 9, 2, 3, 0, 2, 1, 4, 8, 2, 8, 3, 7, 6, 1, 0, 1, 0, 7, 0, 0, 6, 2, 5, 3, 0, 3, 7, 5, 9, 0, 0, 3, 3, 9, 8, 9, 6, 5, 0, 5, 8, 4, 6, 1, 7, 7, 2, 6, 6, 9, 3, 1, 7, 0, 8, 8, 7, 3, 8, 7, 8, 5, 9, 7, 0, 3, 1, 4, 3, 5, 8, 3, 8, 2, 9, 0, 1, 1, 5, 4, 4, 9, 0, 6, 1
Offset: 1

Views

Author

N. J. A. Sloane, Oct 30 2009

Keywords

Examples

			1.0479516371446923021482837610107006253037590033989650584617...

Links

Crossrefs

Cf. decimal expansion of log_9(m): A152747 (m=2), A153205 (m=5), A153495 (m=6), A153619 (m=7), A153756 (m=8), this sequence, A154181 (m=11), A154202 (m=12), A154339 (m=13), A154469 (m=14), A154578 (m=15), A154859 (m=17), A154947 (m=18), A155061 (m=19), A155503 (m=20), A155676 (m=21), A155743 (m=22), A155829 (m=23), A155976 (m=24).

Programs

  • Magma
    SetDefaultRealField(RealField(100)); Log(10)/Log(9); // G. C. Greubel, Sep 01 2018
  • Mathematica
    RealDigits[Log[9, 10], 10, 100][[1]] (* Vincenzo Librandi, Sep 01 2013 *)
  • PARI
    default(realprecision, 100); log(10)/log(9) \\ G. C. Greubel, Sep 01 2018

A152747 Decimal expansion of log_9 (2).

Original entry on oeis.org

3, 1, 5, 4, 6, 4, 8, 7, 6, 7, 8, 5, 7, 2, 8, 7, 1, 8, 5, 4, 9, 7, 6, 3, 5, 5, 7, 1, 7, 1, 3, 8, 0, 4, 2, 7, 1, 4, 9, 7, 9, 2, 8, 2, 0, 0, 6, 5, 9, 4, 0, 2, 1, 3, 9, 3, 5, 3, 2, 7, 4, 7, 1, 9, 1, 9, 3, 4, 2, 6, 0, 0, 6, 9, 0, 4, 5, 7, 4, 0, 2, 5, 3, 0, 5, 8, 6, 3, 4, 4, 2, 7, 4, 7, 2, 5, 8, 7, 2
Offset: 0

Views

Author

N. J. A. Sloane, Oct 30 2009

Keywords

Examples

			.31546487678572871854976355717138042714979282006594021393532...

Links

Crossrefs

Cf. decimal expansion of log_9(m): this sequence, A153205 (m=5), A153495 (m=6), A153619 (m=7), A153756 (m=8), A154160 (m=10), A154181 (m=11), A154202 (m=12), A154339 (m=13), A154469 (m=14), A154578 (m=15), A154859 (m=17), A154947 (m=18), A155061 (m=19), A155503 (m=20), A155676 (m=21), A155743 (m=22), A155829 (m=23), A155976 (m=24).

Programs

  • Magma
    SetDefaultRealField(RealField(100)); Log(2)/Log(9); // G. C. Greubel, Aug 31 2018
  • Mathematica
    RealDigits[Log[9, 2], 10, 100][[1]] (* Vincenzo Librandi, Sep 01 2013 *)
  • PARI
    default(realprecision, 100); log(2)/log(9) \\ G. C. Greubel, Aug 31 2018

Formula

Equals Integral_{x=1..oo} 1/(3^x - 3^(-x)) dx. - Amiram Eldar, Jul 16 2020

A153205 Decimal expansion of log_9 (5).

Original entry on oeis.org

7, 3, 2, 4, 8, 6, 7, 6, 0, 3, 5, 8, 9, 6, 3, 5, 8, 3, 5, 9, 8, 5, 2, 0, 2, 0, 3, 8, 3, 9, 3, 2, 0, 1, 9, 8, 1, 5, 3, 9, 6, 6, 1, 8, 3, 3, 3, 3, 0, 2, 4, 8, 4, 4, 5, 2, 6, 4, 4, 5, 1, 9, 7, 3, 9, 7, 7, 4, 6, 1, 3, 8, 0, 9, 5, 5, 1, 2, 9, 1, 1, 8, 2, 7, 7, 9, 6, 5, 5, 6, 8, 7, 9, 7, 6, 4, 7, 4, 5
Offset: 0

Views

Author

N. J. A. Sloane, Oct 30 2009

Keywords

Examples

			.73248676035896358359852020383932019815396618333302484452644...

Links

Crossrefs

Cf. decimal expansion of log_9(m): A152747 (m=2), this sequence, A153495 (m=6), A153619 (m=7), A153756 (m=8), A154160 (m=10), A154181 (m=11), A154202 (m=12), A154339 (m=13), A154469 (m=14), A154578 (m=15), A154859 (m=17), A154947 (m=18), A155061 (m=19), A155503 (m=20), A155676 (m=21), A155743 (m=22), A155829 (m=23), A155976 (m=24).

Programs

  • Magma
    SetDefaultRealField(RealField(100)); Log(5)/Log(9); // G. C. Greubel, Aug 31 2018
  • Mathematica
    RealDigits[Log[9, 5], 10, 100][[1]] (* Vincenzo Librandi, Sep 01 2013 *)
  • PARI
    default(realprecision, 100); log(5)/log(9) \\ G. C. Greubel, Aug 31 2018

A153495 Decimal expansion of log_9 (6).

Original entry on oeis.org

8, 1, 5, 4, 6, 4, 8, 7, 6, 7, 8, 5, 7, 2, 8, 7, 1, 8, 5, 4, 9, 7, 6, 3, 5, 5, 7, 1, 7, 1, 3, 8, 0, 4, 2, 7, 1, 4, 9, 7, 9, 2, 8, 2, 0, 0, 6, 5, 9, 4, 0, 2, 1, 3, 9, 3, 5, 3, 2, 7, 4, 7, 1, 9, 1, 9, 3, 4, 2, 6, 0, 0, 6, 9, 0, 4, 5, 7, 4, 0, 2, 5, 3, 0, 5, 8, 6, 3, 4, 4, 2, 7, 4, 7, 2, 5, 8, 7, 2
Offset: 0

Views

Author

N. J. A. Sloane, Oct 30 2009

Keywords

Examples

			.81546487678572871854976355717138042714979282006594021393532...

Links

Crossrefs

Cf. decimal expansion of log_9(m): A152747 (m=2), A153205 (m=5), this sequence, A153619 (m=7), A153756 (m=8), A154160 (m=10), A154181 (m=11), A154202 (m=12), A154339 (m=13), A154469 (m=14), A154578 (m=15), A154859 (m=17), A154947 (m=18), A155061 (m=19), A155503 (m=20), A155676 (m=21), A155743 (m=22), A155829 (m=23), A155976 (m=24).

Programs

  • Magma
    SetDefaultRealField(RealField(100)); Log(6)/Log(9); // G. C. Greubel, Aug 31 2018
  • Mathematica
    RealDigits[Log[9, 6], 10, 100][[1]] (* Vincenzo Librandi, Sep 01 2013 *)
  • PARI
    default(realprecision, 100); log(6)/log(9) \\ G. C. Greubel, Aug 31 2018

A153619 Decimal expansion of log_9 (7).

Original entry on oeis.org

8, 8, 5, 6, 2, 1, 8, 7, 4, 5, 8, 0, 7, 1, 1, 1, 3, 0, 0, 3, 3, 9, 6, 4, 1, 5, 3, 5, 4, 1, 2, 2, 8, 8, 5, 9, 0, 3, 3, 2, 3, 5, 6, 6, 7, 2, 9, 7, 1, 2, 1, 7, 3, 9, 6, 8, 4, 4, 9, 6, 2, 8, 8, 6, 3, 9, 9, 4, 3, 0, 9, 9, 3, 5, 1, 4, 0, 6, 1, 0, 5, 4, 1, 7, 1, 5, 0, 4, 9, 4, 6, 6, 8, 7, 5, 4, 4, 8, 8
Offset: 0

Views

Author

N. J. A. Sloane, Oct 30 2009

Keywords

Examples

			0.88562187458071113003396415354122885903323566729712173968449...

Links

Crossrefs

Cf. decimal expansion of log_9(m): A152747 (m=2), A153205 (m=5), A153495 (m=6), this sequence, A153756 (m=8), A154160 (m=10), A154181 (m=11), A154202 (m=12), A154339 (m=13), A154469 (m=14), A154578 (m=15), A154859 (m=17), A154947 (m=18), A155061 (m=19), A155503 (m=20), A155676 (m=21), A155743 (m=22), A155829 (m=23), A155976 (m=24).

Programs

  • Magma
    SetDefaultRealField(RealField(100)); Log(7)/Log(9); // G. C. Greubel, Sep 01 2018
  • Mathematica
    RealDigits[Log[9, 7], 10, 100][[1]] (* Vincenzo Librandi, Sep 01 2013 *)
  • PARI
    default(realprecision, 100); log(7)/log(9) \\ G. C. Greubel, Sep 01 2018

A153756 Decimal expansion of log_9 (8).

Original entry on oeis.org

9, 4, 6, 3, 9, 4, 6, 3, 0, 3, 5, 7, 1, 8, 6, 1, 5, 5, 6, 4, 9, 2, 9, 0, 6, 7, 1, 5, 1, 4, 1, 4, 1, 2, 8, 1, 4, 4, 9, 3, 7, 8, 4, 6, 0, 1, 9, 7, 8, 2, 0, 6, 4, 1, 8, 0, 5, 9, 8, 2, 4, 1, 5, 7, 5, 8, 0, 2, 7, 8, 0, 2, 0, 7, 1, 3, 7, 2, 2, 0, 7, 5, 9, 1, 7, 5, 9, 0, 3, 2, 8, 2, 4, 1, 7, 7, 6, 1, 8
Offset: 0

Views

Author

N. J. A. Sloane, Oct 30 2009

Keywords

Examples

			.94639463035718615564929067151414128144937846019782064180598...

Links

Crossrefs

Cf. decimal expansion of log_9(m): A152747 (m=2), A153205 (m=5), A153495 (m=6), A153619 (m=7), this sequence, A154160 (m=10), A154181 (m=11), A154202 (m=12), A154339 (m=13), A154469 (m=14), A154578 (m=15), A154859 (m=17), A154947 (m=18), A155061 (m=19), A155503 (m=20), A155676 (m=21), A155743 (m=22), A155829 (m=23), A155976 (m=24).

Programs

  • Magma
    SetDefaultRealField(RealField(100)); Log(8)/Log(9); // G. C. Greubel, Sep 01 2018
  • Mathematica
    RealDigits[Log[9, 8], 10, 100][[1]] (* Vincenzo Librandi, Sep 01 2013 *)
  • PARI
    default(realprecision, 100); log(8)/log(9) \\ G. C. Greubel, Sep 01 2018

A154181 Decimal expansion of log_9 (11).

Original entry on oeis.org

1, 0, 9, 1, 3, 2, 9, 1, 6, 9, 3, 2, 2, 0, 6, 9, 0, 4, 0, 5, 2, 4, 4, 9, 0, 2, 0, 7, 3, 6, 5, 9, 6, 4, 4, 6, 1, 7, 7, 1, 4, 8, 0, 7, 6, 2, 6, 0, 0, 4, 7, 2, 1, 8, 0, 1, 1, 8, 6, 4, 6, 5, 0, 5, 0, 8, 5, 9, 0, 4, 3, 1, 6, 9, 4, 5, 7, 0, 6, 1, 8, 1, 6, 6, 2, 6, 3, 0, 5, 1, 5, 0, 8, 1, 9, 8, 5, 4, 4
Offset: 1

Views

Author

N. J. A. Sloane, Oct 30 2009

Keywords

Examples

			1.0913291693220690405244902073659644617714807626004721801186...

Links

Crossrefs

Cf. decimal expansion of log_9(m): A152747 (m=2), A153205 (m=5), A153495 (m=6), A153619 (m=7), A153756 (m=8), A154160 (m=10), this sequence, A154202 (m=12), A154339 (m=13), A154469 (m=14), A154578 (m=15), A154859 (m=17), A154947 (m=18), A155061 (m=19), A155503 (m=20), A155676 (m=21), A155743 (m=22), A155829 (m=23), A155976 (m=24).

Programs

  • Magma
    SetDefaultRealField(RealField(100)); Log(11)/Log(9); // G. C. Greubel, Sep 01 2018
  • Mathematica
    RealDigits[Log[9, 11], 10, 100][[1]] (* Vincenzo Librandi, Sep 01 2013 *)
  • PARI
    default(realprecision, 100); log(11)/log(9) \\ G. C. Greubel, Sep 01 2018

A154202 Decimal expansion of log_9 (12).

Original entry on oeis.org

1, 1, 3, 0, 9, 2, 9, 7, 5, 3, 5, 7, 1, 4, 5, 7, 4, 3, 7, 0, 9, 9, 5, 2, 7, 1, 1, 4, 3, 4, 2, 7, 6, 0, 8, 5, 4, 2, 9, 9, 5, 8, 5, 6, 4, 0, 1, 3, 1, 8, 8, 0, 4, 2, 7, 8, 7, 0, 6, 5, 4, 9, 4, 3, 8, 3, 8, 6, 8, 5, 2, 0, 1, 3, 8, 0, 9, 1, 4, 8, 0, 5, 0, 6, 1, 1, 7, 2, 6, 8, 8, 5, 4, 9, 4, 5, 1, 7, 4
Offset: 1

Views

Author

N. J. A. Sloane, Oct 30 2009

Keywords

Examples

			1.1309297535714574370995271143427608542995856401318804278706...

Links

Crossrefs

Cf. decimal expansion of log_9(m): A152747 (m=2), A153205 (m=5), A153495 (m=6), A153619 (m=7), A153756 (m=8), A154160 (m=10), A154181 (m=11), this sequence, A154339 (m=13), A154469 (m=14), A154578 (m=15), A154859 (m=17), A154947 (m=18), A155061 (m=19), A155503 (m=20), A155676 (m=21), A155743 (m=22), A155829 (m=23), A155976 (m=24).

Programs

  • Magma
    SetDefaultRealField(RealField(100)); Log(12)/Log(9); // G. C. Greubel, Sep 01 2018
  • Mathematica
    RealDigits[Log[9, 12], 10, 100][[1]] (* Vincenzo Librandi, Sep 01 2013 *)
  • PARI
    default(realprecision, 100); log(12)/log(9) \\ G. C. Greubel, Sep 01 2018

Formula

Equals A152747 + A153495. - R. J. Mathar, Jan 07 2021

A154339 Decimal expansion of log_9 (13).

Original entry on oeis.org

1, 1, 6, 7, 3, 5, 8, 7, 5, 9, 7, 3, 6, 3, 9, 6, 3, 4, 6, 6, 8, 9, 8, 0, 1, 2, 0, 3, 6, 2, 2, 2, 6, 4, 2, 4, 7, 9, 3, 0, 8, 8, 3, 2, 9, 3, 3, 6, 2, 4, 1, 5, 6, 7, 3, 2, 1, 9, 6, 1, 2, 0, 8, 7, 4, 8, 3, 7, 2, 6, 5, 9, 4, 3, 7, 4, 1, 9, 7, 4, 5, 8, 6, 9, 5, 8, 7, 8, 6, 7, 6, 3, 8, 7, 1, 5, 0, 7, 1
Offset: 1

Views

Author

N. J. A. Sloane, Oct 30 2009

Keywords

Examples

			1.1673587597363963466898012036222642479308832933624156732196...

Links

Crossrefs

Cf. decimal expansion of log_9(m): A152747 (m=2), A153205 (m=5), A153495 (m=6), A153619 (m=7), A153756 (m=8), A154160 (m=10), A154181 (m=11), A154202 (m=12), this sequence, A154469 (m=14), A154578 (m=15), A154859 (m=17), A154947 (m=18), A155061 (m=19), A155503 (m=20), A155676 (m=21), A155743 (m=22), A155829 (m=23), A155976 (m=24).

Programs

  • Magma
    SetDefaultRealField(RealField(100)); Log(13)/Log(9); // G. C. Greubel, Sep 01 2018
  • Mathematica
    RealDigits[Log[9, 13], 10, 100][[1]] (* Vincenzo Librandi, Sep 01 2013 *)
  • PARI
    default(realprecision, 100); log(13)/log(9) \\ G. C. Greubel, Sep 01 2018

A154578 Decimal expansion of log_9 (15).

Original entry on oeis.org

1, 2, 3, 2, 4, 8, 6, 7, 6, 0, 3, 5, 8, 9, 6, 3, 5, 8, 3, 5, 9, 8, 5, 2, 0, 2, 0, 3, 8, 3, 9, 3, 2, 0, 1, 9, 8, 1, 5, 3, 9, 6, 6, 1, 8, 3, 3, 3, 3, 0, 2, 4, 8, 4, 4, 5, 2, 6, 4, 4, 5, 1, 9, 7, 3, 9, 7, 7, 4, 6, 1, 3, 8, 0, 9, 5, 5, 1, 2, 9, 1, 1, 8, 2, 7, 7, 9, 6, 5, 5, 6, 8, 7, 9, 7, 6, 4, 7, 4
Offset: 1

Views

Author

N. J. A. Sloane, Oct 30 2009

Keywords

Examples

			1.2324867603589635835985202038393201981539661833330248445264...

Links

Crossrefs

Cf. decimal expansion of log_9(m): A152747 (m=2), A153205 (m=5), A153495 (m=6), A153619 (m=7), A153756 (m=8), A154160 (m=10), A154181 (m=11), A154202 (m=12), A154339 (m=13), A154469 (m=14), this sequence, A154859 (m=17), A154947 (m=18), A155061 (m=19), A155503 (m=20), A155676 (m=21), A155743 (m=22), A155829 (m=23), A155976 (m=24).

Programs

  • Magma
    SetDefaultRealField(RealField(100)); Log(15)/Log(9); // G. C. Greubel, Sep 01 2018
  • Mathematica
    RealDigits[Log[9, 15], 10, 100][[1]] (* Vincenzo Librandi, Sep 01 2013 *)
  • PARI
    default(realprecision, 100); log(15)/log(9) \\ G. C. Greubel, Sep 01 2018
Showing 1-10 of 18 results. Next

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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