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.

A154009 Decimal expansion of log_6 (9).

Original entry on oeis.org

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

Views

Author

N. J. A. Sloane, Oct 30 2009

Keywords

Examples

			1.2262943855309168262595077230643582470697162810857931432210...
		

Crossrefs

Cf. decimal expansion of log_6(m): A152683 (m=2), A152935 (m=3), A153102 (m=4), A153202 (m=5), A153617 (m=7), A153754 (m=8), this sequence, A154157 (m=10), A154178 (m=11), A154199 (m=12), A154278 (m=13), A154466 (m=14), A154567 (m=15), A154776 (m=16), A154856 (m=17), A154911 (m=18), A155044 (m=19), A155490 (m=20), A155554 (m=21), A155697 (m=22), A155823 (m=23), A155959 (m=24).

Programs

  • Magma
    SetDefaultRealField(RealField(100)); Log(9)/Log(6); // G. C. Greubel, Sep 14 2018
  • Mathematica
    RealDigits[Log[6, 9], 10, 100][[1]] (* Vincenzo Librandi, Aug 31 2013 *)
  • PARI
    default(realprecision, 100); log(9)/log(6) \\ G. C. Greubel, Sep 14 2018
    

Formula

Equals A016632 / A016629 =2/(1+A102525). - R. J. Mathar, Jul 29 2024