A153103 Decimal expansion of log_7(4).

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

Offset

0,1

Links

Vincenzo Librandi, Table of n, a(n) for n = 0..1000

Index entries for transcendental numbers

Formula

Equals 2/A020860. - Hugo Pfoertner, Apr 17 2024

Example

0.71241437421604435302835415600258105859551432554562740007915...

Mathematica

RealDigits[Log[7, 4], 10, 100][[1]] (* Vincenzo Librandi, Aug 31 2013 *)

Prog

(PARI) default(realprecision, 100); log(4)/log(7) \\ G. C. Greubel, Sep 02 2018
(Magma) SetDefaultRealField(RealField(100)); Log(4)/Log(7); // G. C. Greubel, Sep 02 2018

Crossrefs

Cf. decimal expansion of log_7(m): A152713 (m=2), A152945 (m=3), this sequence, A153203 (m=5), A153463 (m=6), A153755 (m=8), A113211 (m=9), A154158 (m=10), A154179 (m=11), A154200 (m=12), A154294 (m=13), A154467 (m=14), A154572 (m=15), A154793 (m=16), A154857 (m=17), A154912 (m=18), A155059 (m=19), A155496 (m=20), A155591 (m=21), A155735 (m=22), A155824 (m=23), A155964 (m=24).

Sequence in context: A224998 A222216 A212498 * A199782 A147708 A238273

Adjacent sequences: A153100 A153101 A153102 * A153104 A153105 A153106

Keyword

nonn,cons

Author

N. J. A. Sloane, Oct 30 2009

Status

approved