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A077867
Expansion of (1-x)^(-1)/(1-x-x^2+2*x^3).
0
1, 2, 4, 5, 6, 4, 1, -6, -12, -19, -18, -12, 9, 34, 68, 85, 86, 36, -47, -182, -300, -387, -322, -108, 345, 882, 1444, 1637, 1318, 68, -1887, -4454, -6476, -7155, -4722, 1076, 10665, 21186, 29700, 29557, 16886, -12956, -55183, -101910, -131180, -122723, -50082, 89556, 284921, 474642
OFFSET
0,2
CROSSREFS
Sequence in context: A240568 A309681 A287224 * A123124 A166236 A291768
KEYWORD
sign
AUTHOR
N. J. A. Sloane, Nov 17 2002
STATUS
approved