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A077976 Expansion of 1/(1+x+x^2+2*x^3). 0
1, -1, 0, -1, 3, -2, 1, -5, 8, -5, 7, -18, 21, -17, 32, -57, 59, -66, 121, -173, 184, -253, 415, -530, 621, -921, 1360, -1681, 2163, -3202, 4401, -5525, 7528, -10805, 14327, -18578, 25861, -35937, 47232, -63017, 87659, -119106, 157481, -213693, 294424, -395693, 528655, -721810, 984541, -1320041 (list; graph; refs; listen; history; internal format)
OFFSET

0,5

CROSSREFS

Sequence in context: A079628 A140287 A077951 * A021912 A114597 A199479

Adjacent sequences:  A077973 A077974 A077975 * A077977 A077978 A077979

KEYWORD

sign

AUTHOR

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

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Last modified February 15 11:17 EST 2012. Contains 205764 sequences.