id:A018818 - OEIS Search Results

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Number of partitions of n into divisors of n.

+0
12

1, 2, 2, 4, 2, 8, 2, 10, 5, 11, 2, 45, 2, 14, 14, 36, 2, 81, 2, 92, 18, 20, 2, 458, 7, 23, 23, 156, 2, 742, 2, 202, 26, 29, 26, 2234, 2, 32, 30, 1370, 2, 1654, 2, 337, 286, 38, 2, 9676, 9, 407, 38, 454, 2, 3132, 38, 3065, 42, 47, 2, 73155, 2, 50, 493, 1828, 44, 5257, 2, 740, 50, 5066 (list; graph; listen)

	OFFSET	`1,2`
	REFERENCES	`H. Gupta, Partitions of n into divisors of m, Indian J. Pure Appl. Math. 6 (1975), no. 11, 1276-1286.`
	LINKS	`T. D. Noe, Table of n, a(n) for n=1..1000`
	FORMULA	`Coefficient of x^n in expansion of 1/Product_{d divides n} (1-x^d). - Vladeta Jovovic (vladeta(AT)Eunet.yu), Sep 28 2002`
	CROSSREFS	`Cf. A002577.` `Sequence in context: A132801 A072478 A100577 this_sequence A067538 A096154 A084540` `Adjacent sequences: A018815 A018816 A018817 this_sequence A018819 A018820 A018821`
	KEYWORD	`nonn,nice`
	AUTHOR	`David W. Wilson (davidwwilson(AT)comcast.net)`

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.

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