id:A077986 - OEIS Search Results

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

+0
2

1, -2, 5, -13, 33, -84, 214, -545, 1388, -3535, 9003, -22929, 58396, -148724, 378773, -964666, 2456829, -6257097, 15935689, -40585304, 103363394, -263247781, 670444260, -1707499695, 4348691431, -11075326817, 28206844760, -71837707768, 182957587113, -465959726754 (list; graph; listen)

	OFFSET	`0,2`
	CROSSREFS	`Sequence in context: A120925 A086588 A077939 this_sequence A007020 A080888 A052988` `Adjacent sequences: A077983 A077984 A077985 this_sequence A077987 A077988 A077989`
	KEYWORD	`sign`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Nov 17 2002`

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Last modified November 27 14:50 EST 2009. Contains 167570 sequences.

AT&T Labs Research