A033482 Expansion of (1+2*x-3*x^2-4*x^3+x^4)/(1-8*x^2+11*x^4).

1, 2, 5, 12, 30, 74, 185, 460, 1150, 2866, 7165, 17868, 44670, 111418, 278545, 694796, 1736990, 4332770, 10831925, 27019404, 67548510, 168494762, 421236905, 1050744652, 2626861630, 6552514834, 16381287085

Offset

0,2

Links

Table of n, a(n) for n=0..26.

Index entries for linear recurrences with constant coefficients, signature (0,8,0,-11).

Mathematica

CoefficientList[Series[(1+2x-3x^2-4x^3+x^4)/(1-8x^2+11x^4), {x, 0, 40}], x] (* or *) LinearRecurrence[{0, 8, 0, -11}, {1, 2, 5, 12, 30}, 40] (* Harvey P. Dale, Dec 16 2022 *)

Crossrefs

Sequence in context: A262320 A062423 A118649 * A054341 A000106 A076883

Adjacent sequences: A033479 A033480 A033481 * A033483 A033484 A033485

Keyword

nonn

Author

N. J. A. Sloane.

Status

approved