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A078040 Expansion of (1-x)/(1+x-2*x^2+2*x^3). +0
2
1, -2, 4, -10, 22, -50, 114, -258, 586, -1330, 3018, -6850, 15546, -35282, 80074, -181730, 412442, -936050, 2124394, -4821378, 10942266, -24833810, 56361098, -127913250, 290303066, -658851762, 1495284394, -3393594050, 7701866362, -17479623250, 39670544074, -90033523298 (list; graph; listen)
OFFSET

0,2

CROSSREFS

First differences of A077970.

Sequence in context: A018108 A033497 A075560 this_sequence A164990 A121285 A030234

Adjacent sequences: A078037 A078038 A078039 this_sequence A078041 A078042 A078043

KEYWORD

sign

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Nov 17 2002

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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