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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 Table of n, a(n) for n=0..42. 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 Cf. A000041, A068413, A077644, A129491. Sequence in context: A325341 A039841 A078159 * A018132 A329758 A100638 Adjacent sequences: A129487 A129488 A129489 * A129491 A129492 A129493 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.)