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A155687
Decimal expansion of log_20 (21).
23
1, 0, 1, 6, 2, 8, 6, 5, 5, 6, 9, 1, 3, 0, 2, 8, 0, 5, 4, 5, 6, 7, 2, 4, 0, 2, 5, 6, 2, 1, 6, 9, 3, 5, 9, 6, 3, 3, 0, 4, 0, 2, 6, 9, 7, 2, 5, 7, 0, 0, 1, 0, 8, 2, 1, 5, 0, 8, 4, 1, 2, 7, 3, 6, 8, 4, 8, 3, 9, 0, 7, 4, 0, 8, 7, 1, 0, 9, 8, 8, 7, 6, 4, 5, 1, 2, 1, 0, 6, 3, 8, 5, 2, 9, 4, 6, 3, 0, 2
OFFSET
1,4
EXAMPLE
1.0162865569130280545672402562169359633040269725700108215084...
MATHEMATICA
RealDigits[Log[20, 21], 10, 100][[1]] (* Vincenzo Librandi, Sep 05 2013 *)
CROSSREFS
Cf. decimal expansion of log_20(m): A152821 (m=2), A153035 (m=3), A153124 (m=4), A153454 (m=5), A153610 (m=6), A153630 (m=7), A153872 (m=8), A154019 (m=9), A154170 (m=10), A154191 (m=11), A154212 (m=12), A154433 (m=13), A154492 (m=14), A154705 (m=15), A154838 (m=16), A154900 (m=17), A154976 (m=18), A155115 (m=19), this sequence, A155789 (m=22), A155907 (m=23), A156015 (m=24).
Inverse of A155532.
Sequence in context: A254868 A071874 A011331 * A021618 A376079 A085589
KEYWORD
nonn,cons
AUTHOR
N. J. A. Sloane, Oct 30 2009
STATUS
approved