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 21 results. Next

A155687 Decimal expansion of log_20 (21).

Original entry on oeis.org

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

Views

Author

N. J. A. Sloane, Oct 30 2009

Keywords

Examples

			1.0162865569130280545672402562169359633040269725700108215084...

Links

Crossrefs

Cf. decimal expansion of log_20(m): A152821 (m=2), A153035 (m=3), A153124 (m=4), A153454 (m=5), A153610 (m=6), A153630 (m=7), A153872 (m=8), A154019 (m=9), A154170 (m=10), A154191 (m=11), A154212 (m=12), A154433 (m=13), A154492 (m=14), A154705 (m=15), A154838 (m=16), A154900 (m=17), A154976 (m=18), A155115 (m=19), this sequence, A155789 (m=22), A155907 (m=23), A156015 (m=24).
Inverse of A155532.

Programs

  • Mathematica
    RealDigits[Log[20, 21], 10, 100][[1]] (* Vincenzo Librandi, Sep 05 2013 *)

A152821 Decimal expansion of log_20 (2).

Original entry on oeis.org

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

Views

Author

N. J. A. Sloane, Oct 30 2009

Keywords

Examples

			.23137821315975917426369770109764049589096550737356586183961...

Links

Crossrefs

Cf. decimal expansion of log_20(m): this sequence, A153035 (m=3), A153124 (m=4), A153454 (m=5), A153610 (m=6), A153630 (m=7), A153872 (m=8), A154019 (m=9), A154170 (m=10), A154191 (m=11), A154212 (m=12), A154433 (m=13), A154492 (m=14), A154705 (m=15), A154838 (m=16), A154900 (m=17), A154976 (m=18), A155115 (m=19), A155687 (m=21), A155789 (m=22), A155907 (m=23), A156015 (m=24).

Programs

Formula

Equals A002162 / A016643 = 1/A155172. - R. J. Mathar, Aug 13 2024

A153124 Decimal expansion of log_20 (4).

Original entry on oeis.org

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

Views

Author

N. J. A. Sloane, Oct 30 2009

Keywords

Examples

			.46275642631951834852739540219528099178193101474713172367923...

Links

Crossrefs

Cf. decimal expansion of log_20(m): A152821 (m=2), A153035 (m=3), this sequence, A153454 (m=5), A153610 (m=6), A153630 (m=7), A153872 (m=8), A154019 (m=9), A154170 (m=10), A154191 (m=11), A154212 (m=12), A154433 (m=13), A154492 (m=14), A154705 (m=15), A154838 (m=16), A154900 (m=17), A154976 (m=18), A155115 (m=19), A155687 (m=21), A155789 (m=22), A155907 (m=23), A156015 (m=24).

Programs

  • Mathematica
    RealDigits[Log[20, 4], 10, 100][[1]] (* Vincenzo Librandi, Sep 05 2013 *)

Formula

Equals 2*A152821. - R. J. Mathar, Aug 13 2024

A153454 Decimal expansion of log_20 (5).

Original entry on oeis.org

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

Views

Author

N. J. A. Sloane, Oct 30 2009

Keywords

Examples

			.53724357368048165147260459780471900821806898525286827632076...

Links

Crossrefs

Cf. decimal expansion of log_20(m): A152821 (m=2), A153035 (m=3), A153124 (m=4), this sequence, A153610 (m=6), A153630 (m=7), A153872 (m=8), A154019 (m=9), A154170 (m=10), A154191 (m=11), A154212 (m=12), A154433 (m=13), A154492 (m=14), A154705 (m=15), A154838 (m=16), A154900 (m=17), A154976 (m=18), A155115 (m=19), A155687 (m=21), A155789 (m=22), A155907 (m=23), A156015 (m=24).

Programs

  • Mathematica
    RealDigits[Log[20, 5], 10, 100][[1]] (* Vincenzo Librandi, Sep 05 2013 *)

A153610 Decimal expansion of log_20 (6).

Original entry on oeis.org

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

Views

Author

N. J. A. Sloane, Oct 30 2009

Keywords

Examples

			.59810400450184380317650484375697314948673393830589793012860...

Links

Crossrefs

Cf. decimal expansion of log_20(m): A152821 (m=2), A153035 (m=3), A153124 (m=4), A153454 (m=5), this sequence, A153630 (m=7), A153872 (m=8), A154019 (m=9), A154170 (m=10), A154191 (m=11), A154212 (m=12), A154433 (m=13), A154492 (m=14), A154705 (m=15), A154838 (m=16), A154900 (m=17), A154976 (m=18), A155115 (m=19), A155687 (m=21), A155789 (m=22), A155907 (m=23), A156015 (m=24).

Programs

  • Mathematica
    RealDigits[Log[20, 6], 10, 120][[1]] (* Harvey P. Dale, Feb 19 2013 *)

A153630 Decimal expansion of log_20 (7).

Original entry on oeis.org

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

Views

Author

N. J. A. Sloane, Oct 30 2009

Keywords

Examples

			.64956076557094342565443311355760330970825854163767875321942...

Links

Crossrefs

Cf. decimal expansion of log_20(m): A152821 (m=2), A153035 (m=3), A153124 (m=4), A153454 (m=5), A153610 (m=6), this sequence, A153872 (m=8), A154019 (m=9), A154170 (m=10), A154191 (m=11), A154212 (m=12), A154433 (m=13), A154492 (m=14), A154705 (m=15), A154838 (m=16), A154900 (m=17), A154976 (m=18), A155115 (m=19), A155687 (m=21), A155789 (m=22), A155907 (m=23), A156015 (m=24).

Programs

  • Mathematica
    RealDigits[Log[20, 7], 10, 120][[1]] (* Harvey P. Dale, Jul 26 2011 *)

A153872 Decimal expansion of log_20 (8).

Original entry on oeis.org

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

Views

Author

N. J. A. Sloane, Oct 30 2009

Keywords

Examples

			.69413463947927752279109310329292148767289652212069758551885...

Links

Crossrefs

Cf. decimal expansion of log_20(m): A152821 (m=2), A153035 (m=3), A153124 (m=4), A153454 (m=5), A153610 (m=6), A153630 (m=7), this sequence, A154019 (m=9), A154170 (m=10), A154191 (m=11), A154212 (m=12), A154433 (m=13), A154492 (m=14), A154705 (m=15), A154838 (m=16), A154900 (m=17), A154976 (m=18), A155115 (m=19), A155687 (m=21), A155789 (m=22), A155907 (m=23), A156015 (m=24).

Programs

  • Mathematica
    RealDigits[Log[20, 8], 10, 100][[1]] (* Vincenzo Librandi, Sep 05 2013 *)

A154019 Decimal expansion of log_20 (9).

Original entry on oeis.org

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

Views

Author

N. J. A. Sloane, Oct 30 2009

Keywords

Examples

			.73345158268416925782561428531866530719153686186466413657797...

Links

Crossrefs

Cf. decimal expansion of log_20(m): A152821 (m=2), A153035 (m=3), A153124 (m=4), A153454 (m=5), A153610 (m=6), A153630 (m=7), A153872 (m=8), this sequence, A154170 (m=10), A154191 (m=11), A154212 (m=12), A154433 (m=13), A154492 (m=14), A154705 (m=15), A154838 (m=16), A154900 (m=17), A154976 (m=18), A155115 (m=19), A155687 (m=21), A155789 (m=22), A155907 (m=23), A156015 (m=24).

Programs

  • Mathematica
    RealDigits[Log[20, 9], 10, 100][[1]] (* Vincenzo Librandi, Sep 05 2013 *)

Formula

Equals 2*A153035. - R. J. Mathar, Aug 13 2024

A154170 Decimal expansion of log_20 (10).

Original entry on oeis.org

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

Views

Author

N. J. A. Sloane, Oct 30 2009

Keywords

Examples

			.76862178684024082573630229890235950410903449262643413816038...

Links

Crossrefs

Cf. decimal expansion of log_20(m): A152821 (m=2), A153035 (m=3), A153124 (m=4), A153454 (m=5), A153610 (m=6), A153630 (m=7), A153872 (m=8), A154019 (m=9), this sequence, A154191 (m=11), A154212 (m=12), A154433 (m=13), A154492 (m=14), A154705 (m=15), A154838 (m=16), A154900 (m=17), A154976 (m=18), A155115 (m=19), A155687 (m=21), A155789 (m=22), A155907 (m=23), A156015 (m=24).

Programs

  • Mathematica
    RealDigits[Log[20, 10], 10, 100][[1]] (* Vincenzo Librandi, Sep 05 2013 *)

A154191 Decimal expansion of log_20 (11).

Original entry on oeis.org

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

Views

Author

N. J. A. Sloane, Oct 30 2009

Keywords

Examples

			.80043710646867127310443357367167075352178380528168604294437...

Links

Crossrefs

Cf. decimal expansion of log_20(m): A152821 (m=2), A153035 (m=3), A153124 (m=4), A153454 (m=5), A153610 (m=6), A153630 (m=7), A153872 (m=8), A154019 (m=9), A154170 (m=10), this sequence, A154212 (m=12), A154433 (m=13), A154492 (m=14), A154705 (m=15), A154838 (m=16), A154900 (m=17), A154976 (m=18), A155115 (m=19), A155687 (m=21), A155789 (m=22), A155907 (m=23), A156015 (m=24).

Programs

  • Mathematica
    RealDigits[Log[20, 11], 10, 100][[1]] (* Vincenzo Librandi, Sep 05 2013 *)
Showing 1-10 of 21 results. Next

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