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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 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

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

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: A178839 A132718 A154904 * A302765 A053463 A073636

Adjacent sequences:  A155550 A155551 A155552 * A155554 A155555 A155556

KEYWORD

nonn,cons

AUTHOR

N. J. A. Sloane, Oct 30 2009

STATUS

approved

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Last modified July 9 11:54 EDT 2020. Contains 335543 sequences. (Running on oeis4.)