A078049 Expansion of (1-x)/(1+x+2*x^2-x^3).

1, -2, 0, 5, -7, -3, 22, -23, -24, 92, -67, -141, 367, -152, -723, 1394, -100, -3411, 5005, 1717, -15138, 16709, 15284, -63840, 49981, 92983, -256785, 120800, 485753, -984138, 133432, 2320597, -3571599, -936163, 10399958, -12099231, -9636848, 44235268, -37060803, -61046581, 179403455