login
A077871
Expansion of (1-x)^(-1)/(1-x+x^2-2*x^3).
0
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
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
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Nov 17 2002
STATUS
approved