id:A033303 - OEIS Search Results

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

+0
2

1, 3, 7, 16, 36, 81, 182, 409, 919, 2065, 4640, 10426, 23427, 52640, 118281, 265775, 597191, 1341876, 3015168, 6775021, 15223334, 34206521, 76861355, 172705897, 388066628, 871977798, 1959316327 (list; graph; listen)

	OFFSET	`0,2`
	COMMENT	`First differences are in A052534.`
	REFERENCES	`R. P. Stanley, Enumerative Combinatorics I, p. 244.`
	CROSSREFS	`Sequence in context: A019489 A077852 A020746 this_sequence A078056 A124671 A123392` `Adjacent sequences: A033300 A033301 A033302 this_sequence A033304 A033305 A033306`
	KEYWORD	`nonn,nice,easy`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified December 18 21:37 EST 2009. Contains 171024 sequences.

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