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A258596
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Number of divisors of the number of partitions of n into distinct parts, a(n) = A000005(A000009(n)).
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1
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1, 1, 1, 2, 2, 2, 3, 2, 4, 4, 4, 6, 4, 6, 4, 4, 6, 4, 4, 8, 7, 6, 2, 8, 4, 4, 8, 14, 8, 9, 8, 12, 16, 14, 10, 12, 6, 16, 24, 4, 8, 36, 8, 16, 8, 12, 27, 16, 16, 28, 8, 4, 8, 22, 8, 8, 6, 16, 16, 42, 32, 6, 8, 20, 6, 48, 12, 16, 28, 8, 2, 12, 20, 16, 12, 4, 32
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OFFSET
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0,4
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COMMENTS
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LINKS
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FORMULA
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MATHEMATICA
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DivisorSigma[0, PartitionsQ@ Range[0, 100]]
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PROG
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(PARI) a(n) = numdiv(polcoeff(prod(k=1, n, 1 + x^k, 1 + x * O(x^n)), n)); \\ Michel Marcus, Jun 19 2015
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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