A155677 Decimal expansion of log_10 (21).

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

Offset

1,2

Links

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

Index entries for transcendental numbers

Example

1.3222192947339192680072441618477515026837012605146612713335...

Mathematica

RealDigits[Log[10, 21], 10, 100][[1]] (* Vincenzo Librandi, Sep 11 2013 *)

Prog

(PARI) log(21)/log(10) \\ Charles R Greathouse IV, Aug 06 2020

Crossrefs

Cf. decimal expansion of log_10(m): A007524 (m=2), A114490 (m=3), A114493 (m=4), A153268 (m=5), A153496 (m=6), A153620 (m=7), A153790 (m=8), A104139 (m=9), A154182 (m=11), A154203 (m=12), A154368 (m=13), A154478 (m=14), A154580 (m=15), A154794 (m=16), A154860 (m=17), A154953 (m=18), A155062 (m=19), A155522 (m=20), this sequence, A155746 (m=22), A155830 (m=23), A155979 (m=24).

Sequence in context: A332789 A329335 A144476 * A075791 A262626 A104435

Adjacent sequences: A155674 A155675 A155676 * A155678 A155679 A155680

Keyword

nonn,cons

Author

N. J. A. Sloane, Oct 30 2009

Status

approved