A077871 Expansion of (1-x)^(-1)/(1-x+x^2-2*x^3).

1, 2, 2, 3, 6, 8, 9, 14, 22, 27, 34, 52, 73, 90, 122, 179, 238, 304, 425, 598, 782, 1035, 1450, 1980, 2601, 3522, 4882, 6563, 8726, 11928, 16329, 21854, 29382, 40187, 54514, 73092, 98953, 134890, 182122, 245139, 332798, 451904, 609385, 823078, 1117502, 1513195

Offset

0,2

Links

Table of n, a(n) for n=0..45.

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

Mathematica

CoefficientList[Series[(1/(1-x))/(1-x+x^2-2x^3), {x, 0, 60}], x] (* or *) LinearRecurrence[{2, -2, 3, -2}, {1, 2, 2, 3}, 60] (* Harvey P. Dale, May 07 2022 *)

Crossrefs

Sequence in context: A007801 A275493 A193595 * A215450 A300352 A035587

Adjacent sequences: A077868 A077869 A077870 * A077872 A077873 A077874

Keyword

nonn

Author

N. J. A. Sloane, Nov 17 2002

Status

approved