A077890 Expansion of (1-x)^(-1)/(1+x^2+2*x^3).

1, 1, 0, -2, -1, 3, 6, 0, -11, -11, 12, 34, 11, -57, -78, 36, 193, 121, -264, -506, 23, 1035, 990, -1080, -3059, -899, 5220, 7018, -3421, -17457, -10614, 24300, 45529, -3071, -94128, -87986, 100271, 276243, 75702, -476784, -628187, 325381, 1581756, 930994, -2232517, -4094505, 370530

Offset: 0

Author

N. J. A. Sloane, Nov 17 2002

Keywords

• sign

Links

• Index entries for linear recurrences with constant coefficients, signature (1,-1,-1,2).

Programs

Mathematica

CoefficientList[Series[(1-x)^(-1)/(1+x^2+2*x^3),{x,0,50}],x] (* or *) LinearRecurrence[{1,-1,-1,2},{1,1,0,-2},50] (* Harvey P. Dale, Apr 07 2018 *)