A077867 Expansion of (1-x)^(-1)/(1-x-x^2+2*x^3).

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

Links

Table of n, a(n) for n=0..49.

Index entries for linear recurrences with constant coefficients, signature (2,0,-3,2).

Crossrefs

Sequence in context: A240568 A309681 A287224 * A123124 A166236 A291768

Adjacent sequences: A077864 A077865 A077866 * A077868 A077869 A077870

Keyword

sign

Author

N. J. A. Sloane, Nov 17 2002

Status

approved