id:A055232 - OEIS Search Results

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

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1, 5, 16, 36, 69, 117, 184, 272, 385, 525, 696, 900, 1141, 1421, 1744, 2112, 2529, 2997, 3520, 4100, 4741, 5445, 6216, 7056, 7969, 8957, 10024, 11172, 12405, 13725, 15136, 16640, 18241, 19941, 21744, 23652, 25669, 27797, 30040, 32400 (list; graph; listen)

	OFFSET	`0,2`
	REFERENCES	`R. P. Stanley, Enumerative Combinatorics, Cambridge, Vol. 2, 1999; see Problem 6.28(c), y_3.`
	CROSSREFS	`Sequence in context: A077415 A108966 A072333 this_sequence A001210 A128848 A022496` `Adjacent sequences: A055229 A055230 A055231 this_sequence A055233 A055234 A055235`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Jul 05 2000`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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