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 A243935 Numbers m such that 5 divides A000041(n). 8
 4, 7, 9, 14, 18, 19, 23, 24, 27, 29, 34, 38, 39, 44, 49, 54, 58, 59, 61, 64, 66, 68, 69, 71, 74, 79, 82, 84, 89, 94, 97, 99, 103, 104, 109, 114, 119, 120, 124, 127, 128, 129, 130, 134, 136, 139, 140, 142, 144, 149, 154, 159, 163, 164, 165, 169, 170, 173, 174 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Bruno Berselli, Table of n, a(n) for n = 1..1000 MATHEMATICA Select[Range[200], Mod[PartitionsP[#], 5] == 0 &] PROG (Sage) # From Peter Luschny in A000041 @CachedFunction def A000041(n):     if n == 0: return 1     S = 0; J = n-1; k = 2     while 0 <= J:         T = A000041(J)         S = S+T if is_odd(k//2) else S-T         J -= k if is_odd(k) else k//2         k += 1     return S [n for n in (0..200) if mod(A000041(n), 5) == 0] (MAGMA) [n: n in [1..200] | IsZero(NumberOfPartitions(n) mod 5)]; (PARI) is(n)=numbpart(n)%5==0 \\ Charles R Greathouse IV, Apr 08 2015 CROSSREFS Numbers m such that k divides A000041(m), where k is prime: A001560 (k=2), A083214 (k=3), this sequence (k=5), A243936 (k=7), A027827 (k=11), A071750 (k=13). For k composite: A237278 (k=4), A035700 (k=12). Sequence in context: A310965 A035510 A187898 * A310966 A287559 A032778 Adjacent sequences:  A243932 A243933 A243934 * A243936 A243937 A243938 KEYWORD nonn,easy AUTHOR Bruno Berselli, Jun 15 2014 STATUS approved

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Last modified January 16 13:35 EST 2022. Contains 350376 sequences. (Running on oeis4.)