A077823 Expansion of (1-x)^(-1)/(1-3*x-2*x^2-3*x^3).

1, 4, 15, 57, 214, 802, 3006, 11265, 42214, 158191, 592797, 2221416, 8324416, 31194472, 116896497, 438051684, 1641531463, 6151387249, 23051379726, 86381508066, 323701445398, 1213021491505, 4545611889510, 17033982987735, 63832237216741, 239201513294224

Offset

0,2

Links

Table of n, a(n) for n=0..25.

Index entries for linear recurrences with constant coefficients, signature (4,-1,1,-3).

Crossrefs

Sequence in context: A174958 A244824 A316592 * A047108 A125145 A242781

Adjacent sequences: A077820 A077821 A077822 * A077824 A077825 A077826

Keyword

nonn

Author

N. J. A. Sloane, Nov 17 2002

Status

approved