A001305 - OEIS

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A001305

Expansion of 1/((1-x)^2*(1-x^2)*(1-x^5)*(1-x^10)*(1-x^20)).

1, 2, 4, 6, 9, 13, 18, 24, 31, 39, 50, 62, 77, 93, 112, 134, 159, 187, 218, 252, 293, 337, 388, 442, 503, 571, 646, 728, 817, 913, 1022, 1138, 1267, 1403, 1552, 1714, 1889, 2077, 2278, 2492, 2728, 2977, 3248 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	LINKS	`INRIA Algorithms Project, Encyclopedia of Combinatorial Structures 201`
	MAPLE	`1/((1-x)^2(1-x^2)(1-x^5)(1-x^10)(1-x^20));`
	CROSSREFS	`Sequence in context: A001304 A177239 A000064 * A088575 A177189 A026906` `Adjacent sequences: A001302 A001303 A001304 * A001306 A001307 A001308`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 17 00:09 EST 2012. Contains 205978 sequences.