A155553 - OEIS

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A155553

Decimal expansion of log_5 (21).

22

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

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OFFSET

1,2

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

Index entries for transcendental numbers

EXAMPLE

1.8916681496081528518978827048184123241412253295840003383662...

MATHEMATICA

RealDigits[Log[5, 21], 10, 100][[1]] (* Vincenzo Librandi, Aug 31 2013 *)

PROG

(PARI) log(21)/log(5) \\ Charles R Greathouse IV, May 15 2020

CROSSREFS

Cf. decimal expansion of log_5(m): A152675 (m=2), A152914 (m=3), A153101 (m=4), A153461 (m=6), A153616 (m=7), A153739 (m=8), A154008 (m=9), A154156 (m=10), A154177 (m=11), A154198 (m=12), A154265 (m=13), A154465 (m=14), A154564 (m=15), A154759 (m=16), A154850 (m=17), A154910 (m=18), A155035 (m=19), A155184 (m=20), this sequence, A155696 (m=22), A155821 (m=23), A155958 (m=24).

Sequence in context: A394606 A384474 A154904 * A388487 A302765 A053463

Adjacent sequences: A155550 A155551 A155552 * A155554 A155555 A155556

KEYWORD

nonn,cons

AUTHOR

N. J. A. Sloane, Oct 30 2009

STATUS

approved