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A141670 A function of A000005 and A000041: a(n)=DivisorSigma[0, n]*PartitionsP[n] - PartitionsP[n]. 0
0, 2, 3, 10, 7, 33, 15, 66, 60, 126, 56, 385, 101, 405, 528, 924, 297, 1925, 490, 3135, 2376, 3006, 1255, 11025, 3916, 7308, 9030, 18590, 4565, 39228 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

FORMULA

a(n)=DivisorSigma[0, n]*PartitionsP[n] - PartitionsP[n].

MATHEMATICA

f[n_] = DivisorSigma[0, n]*PartitionsP[n] - PartitionsP[n]; Table[f[n], {n, 1, 30}]

CROSSREFS

Cf. A000005, A000041.

Sequence in context: A163767 A128531 A123167 * A193729 A074068 A055655

Adjacent sequences:  A141667 A141668 A141669 * A141671 A141672 A141673

KEYWORD

nonn,uned

AUTHOR

Roger L. Bagula and Gary W. Adamson (rlbagulatftn(AT)yahoo.com), Sep 06 2008

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Last modified February 17 06:27 EST 2012. Contains 205998 sequences.