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.

Previous Showing 11-14 of 14 results.

A016637 Decimal expansion of log(14).

Original entry on oeis.org

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

Views

Author

Keywords

Examples

			2.639057329615258614522584864901356297712584863942116442580070159430973... - _Harry J. Smith_, May 16 2009
		

References

  • M. Abramowitz and I. A. Stegun, eds., Handbook of Mathematical Functions, National Bureau of Standards Applied Math. Series 55, 1964 (and various reprintings), p. 2.

Crossrefs

Cf. A016442 (continued fraction).

Programs

  • Mathematica
    RealDigits[Log[14], 10, 120][[1]] (* Vincenzo Librandi, Jun 21 2015 *)
  • PARI
    default(realprecision, 20080); x=log(14); for (n=1, 20000, d=floor(x); x=(x-d)*10; write("b016637.txt", n, " ", d)); \\ Harry J. Smith, May 16 2009

Formula

Equals A002162 + A016630. - R. J. Mathar, Jun 10 2024

A016735 Continued fraction for log(7).

Original entry on oeis.org

1, 1, 17, 2, 19, 1, 11, 2, 1, 1, 1, 9, 1, 3, 8, 2, 1, 4, 2, 1, 1, 1, 1, 3, 2, 2, 1, 5, 1, 1, 3, 3, 1, 2, 2, 1, 1, 2, 3, 1, 1, 2, 5, 1, 5, 1, 1, 2, 7, 2, 3, 23, 1, 2, 1, 1, 2, 4, 2, 1, 1, 1, 3, 1, 1, 2, 20, 12, 3, 2, 1, 1, 1, 1, 1, 1, 12, 2, 2, 1, 4, 1, 8, 2, 15
Offset: 0

Views

Author

Keywords

Examples

			1.9459101490553133051053527... = 1 + 1/(1 + 1/(17 + 1/(2 + 1/(19 + ...)))). - _Harry J. Smith_, May 16 2009
		

Crossrefs

Cf. A016630 (decimal expansion).

Programs

  • Magma
    ContinuedFraction(Log(7)); // G. C. Greubel, Sep 15 2018
  • Mathematica
    ContinuedFraction[Log[7], 100] (* G. C. Greubel, Sep 15 2018 *)
  • PARI
    { allocatemem(932245000); default(realprecision, 21000); x=contfrac(log(7)); for (n=1, 20000, write("b016735.txt", n-1, " ", x[n])); } \\ Harry J. Smith, May 16 2009
    

Extensions

Offset changed by Andrew Howroyd, Jul 10 2024

A016672 Decimal expansion of log(49).

Original entry on oeis.org

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

Views

Author

Keywords

Examples

			3.891820298110626610210705486886359459274169459163722376918780299875159....
		

References

  • M. Abramowitz and I. A. Stegun, eds., Handbook of Mathematical Functions, National Bureau of Standards Applied Math. Series 55, 1964 (and various reprintings), p. 2.

Crossrefs

Cf. A016477 (continued fraction), A016630.

Programs

  • Mathematica
    RealDigits[Log[49], 10, 120][[1]] (* Vincenzo Librandi, Jun 21 2015 *)
  • PARI
    default(realprecision, 20080); x=log(49); for (n=1, 20000, d=floor(x); x=(x-d)*10; write("b016672.txt", n, " ", d)); \\ Harry J. Smith, May 21 2009

Formula

Equals 2*A016630. - Alois P. Heinz, Aug 07 2023

A016679 Decimal expansion of log(56).

Original entry on oeis.org

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

Views

Author

Keywords

Examples

			4.025351690735149233357049107817709433863585132662626950821430178417760....
		

References

  • M. Abramowitz and I. A. Stegun, eds., Handbook of Mathematical Functions, National Bureau of Standards Applied Math. Series 55, 1964 (and various reprintings), p. 2.

Crossrefs

Cf. A016484 (continued fraction).

Programs

  • Mathematica
    RealDigits[Log[56], 10, 120][[1]] (* Vincenzo Librandi, Jun 21 2015 *)
  • PARI
    default(realprecision, 20080); x=log(56); for (n=1, 20000, d=floor(x); x=(x-d)*10; write("b016679.txt", n, " ", d)); \\ Harry J. Smith, May 22 2009

Formula

Equals 3*A002162 + A016630. - R. J. Mathar, Jun 07 2024

Extensions

Final digits of sequence corrected using the b-file. - N. J. A. Sloane, Aug 30 2009
Previous Showing 11-14 of 14 results.