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 1-2 of 2 results.

A016635 Decimal expansion of log(12).

Original entry on oeis.org

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

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Examples

			2.484906649788000310229709479838878840798490826543259959976...
		

References

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

Crossrefs

Cf. A016740 Continued fraction.

Programs

  • Mathematica
    RealDigits[Log[12], 10, 120][[1]] (* Alonso del Arte, Mar 12 2015 *)
  • PARI
    default(realprecision, 20080); x=log(12); for (n=1, 20000, d=floor(x); x=(x-d)*10; write("b016635.txt", n, " ", d)); \\ Harry J. Smith, May 16 2009, corrected May 19 2009

Formula

Equals 2*A002162 + A002391. - R. J. Mathar, Jun 10 2024

A113160 Table read by antidiagonals of continued fractions for log(n).

Original entry on oeis.org

0, 1, 1, 2, 10, 1, 3, 7, 2, 1, 1, 9, 1, 1, 1, 6, 2, 1, 1, 1, 1, 3, 2, 2, 1, 3, 1, 2, 1, 1, 3, 1, 1, 17, 12, 2, 1, 3, 7, 3, 4, 2, 1, 5, 2, 2, 1, 6, 1, 18, 19, 1, 14, 3, 2, 1, 32, 4, 1, 2, 1, 2, 4, 3, 2, 2, 1, 2, 1, 1, 330, 11, 2, 1, 3, 1, 2, 2, 1, 17, 1, 3, 3, 2, 1, 2, 1, 1, 16, 1, 2, 1, 1, 21, 4, 1, 1, 8, 2
Offset: 2

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Author

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Examples

			The table starts:
0,1,2,3,1,6,...
1,10,7,9,2,2,...
1,2,1,1,2,3,...
		

Crossrefs

Rows A016730 to A016740, A016441 to A016528; columns A000195, A057603.
Showing 1-2 of 2 results.