id:A008822 - OEIS Search Results

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Expansion of (1+2*x^2+x^3)/((1-x)^2*(1-x^3)).

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1, 2, 5, 10, 15, 22, 31, 40, 51, 64, 77, 92, 109, 126, 145, 166, 187, 210, 235, 260, 287, 316, 345, 376, 409, 442, 477, 514, 551, 590, 631, 672, 715, 760, 805, 852, 901, 950, 1001, 1054, 1107, 1162, 1219, 1276 (list; graph; listen)

	OFFSET	`0,2`
	COMMENT	`Corresponds to the best known lower bound for the tie problem. - Jorg Zurkirchen, Oct 15 2008`
	REFERENCES	`R. Chapman et al., 2-modular lattices from ternary codes, J. Th. des Nombres de Bordeaux, 14 (2002), 73-85.`
	LINKS	`Index entries for Molien series`
	FORMULA	`a(n) = ceil(n * (2n - 1) / 3). - Jorg Zurkirchen, Oct 15 2008`
	CROSSREFS	`Sequence in context: A024390 A125622 A080551 this_sequence A013927 A163059 A099738` `Adjacent sequences: A008819 A008820 A008821 this_sequence A008823 A008824 A008825`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified December 6 22:55 EST 2009. Contains 170429 sequences.

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