A077877 Expansion of (1-x)^(-1)/(1-x+2*x^2+x^3).

1, 2, 1, -3, -6, 0, 16, 23, -8, -69, -75, 72, 292, 224, -431, -1170, -531, 2241, 4474, 524, -10664, -16185, 4620, 47655, 54601, -45328, -202184, -166128, 283569, 818010, 417001, -1502587, -3154598, -566424, 7245360, 11532807, -2391488, -32702461, -39452291, 28344120, 139951164