id:A141670 - OEIS Search Results

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A function of A000005 and A000041: a(n)=DivisorSigma[0, n]*PartitionsP[n] - PartitionsP[n].

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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; listen)

	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 this_sequence A074068 A055655 A007090` `Adjacent sequences: A141667 A141668 A141669 this_sequence 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 December 16 17:18 EST 2009. Contains 170825 sequences.

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