OFFSET
0,3
LINKS
Harvey P. Dale, Table of n, a(n) for n = 0..1000
Index entries for linear recurrences with constant coefficients, signature (2, 1, -2, -3, 0, 6, 0, -3, -2, 1, 2, -1).
MATHEMATICA
CoefficientList[Series[(x+4x^3+x^5)/((1-x)^2(1-x^2)^2(1-x^3)^2), {x, 0, 60}], x] (* or *) LinearRecurrence[{2, 1, -2, -3, 0, 6, 0, -3, -2, 1, 2, -1}, {0, 1, 2, 9, 18, 39, 72, 126, 204, 324, 484, 710}, 60] (* Harvey P. Dale, Dec 30 2021 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Jun 15 2003
STATUS
approved