A077891 Expansion of (1-x)^(-1)/(1+2*x^2-2*x^3).

1, 1, -1, 1, 5, -3, -7, 17, 9, -47, 17, 113, -127, -191, 481, 129, -1343, 705, 2945, -4095, -4479, 14081, 769, -37119, 26625, 75777, -127487, -98303, 406529, -58367, -1009663, 929793, 1902593, -3878911, -1945599, 11563009, -3866623, -27017215, 30859265, 46301185, -115752959

Offset

0,5

Links

Table of n, a(n) for n=0..40.

Index entries for linear recurrences with constant coefficients, signature (1,-2,4,-2).

Crossrefs

Sequence in context: A221470 A030669 A030679 * A129735 A300502 A248257

Adjacent sequences: A077888 A077889 A077890 * A077892 A077893 A077894

Keyword

sign,easy

Author

N. J. A. Sloane, Nov 17 2002

Status

approved