id:A011885 - OEIS Search Results

Search: id:A011885

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[ n(n-1)/32 ].

+0
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0, 0, 0, 0, 0, 0, 0, 1, 1, 2, 2, 3, 4, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14, 15, 17, 18, 20, 21, 23, 25, 27, 29, 31, 33, 35, 37, 39, 41, 43, 46, 48, 51, 53, 56, 59, 61, 64, 67, 70, 73, 76, 79, 82, 86, 89, 92, 96, 99, 103, 106, 110, 114, 118, 122, 126, 130, 134, 138, 142, 146, 150 (list; graph; listen)

	OFFSET	`0,10`
	FORMULA	`G.f.: x^7(1+x^2-x^3+x^4+x^9+x^14+x^19-x^20+x^21+x^23)/((1-x)(1-x^3)(1-x^32));`
	PROGRAM	`(PARI) a(n)=if(n<0, 0, (n^2-n)\32)`
	CROSSREFS	`Sequence in context: A051068 A050294 A097950 this_sequence A008672 A097923 A027582` `Adjacent sequences: A011882 A011883 A011884 this_sequence A011886 A011887 A011888`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.

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