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A077975 Expansion of 1/(1+x+x^2-2*x^3). 2
1, -1, 0, 3, -5, 2, 9, -21, 16, 23, -81, 90, 37, -289, 432, -69, -941, 1874, -1071, -2685, 7504, -6961, -5913, 27882, -35891, -3817, 95472, -163437, 60331, 294050, -681255, 507867, 761488, -2631865, 2886111, 1268730, -9418571, 13922063, -1966032, -30793173, 60603331, -33742222, -88447455 (list; graph; refs; listen; history; internal format)
OFFSET

0,4

CROSSREFS

Sequence in context: A101157 A193725 A077952 * A112323 A102507 A076556

Adjacent sequences:  A077972 A077973 A077974 * A077976 A077977 A077978

KEYWORD

sign

AUTHOR

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

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Last modified February 17 00:09 EST 2012. Contains 205978 sequences.