OFFSET
0,2
FORMULA
MATHEMATICA
CoefficientList[Series[(-1-x-2*x^3+3*x^5-2*x^7+x^8)/((-1+x^2)^2 * (-1+x+x^4)), {x, 0, 45}], x]
CROSSREFS
KEYWORD
nonn,walk
AUTHOR
David Scambler, May 22 2012
STATUS
approved