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A129490 Number of digits in the decimal expansion of the number of partitions of 2^n. 6
1, 1, 1, 2, 3, 4, 7, 10, 15, 22, 32, 47, 67, 97, 138, 197, 280, 398, 565, 801, 1134, 1607, 2275, 3219, 4555, 6445, 9118, 12898, 18243, 25803, 36494, 51615, 72998, 103238, 146005, 206486, 292020, 412982, 584050, 825975, 1168110, 1651962, 2336232 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,4
COMMENTS
For the same sequence but for base 10 (A070177): A077644.
LINKS
FORMULA
See A000041: (Hardy and Ramanujan) & (Ayoub, p. 197).
a(n) = A055642(A068413(n)).
a(n) =~ 2*A129491(n)/9.
MATHEMATICA
f[n_] := Floor[ Log[10, PartitionsP[2^n]] + 1]; Table[ f@n, {n, 0, 42}]
CROSSREFS
Sequence in context: A325341 A039841 A078159 * A018132 A329758 A100638
KEYWORD
base,nonn
AUTHOR
Robert G. Wilson v, Apr 11 2007
EXTENSIONS
Missing a(0) prepended by Georg Fischer, Nov 06 2023
STATUS
approved

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Last modified May 23 18:59 EDT 2024. Contains 372765 sequences. (Running on oeis4.)