OFFSET
0,2
LINKS
Ray Chandler, Table of n, a(n) for n = 0..1000
P. Solé, Counting lattice points in pyramids, Discr. Math. 139 (1995), 381-392.
Index entries for linear recurrences with constant coefficients, signature (8, -28, 56, -70, 56, -28, 8, -1).
MAPLE
series(((1+x)^8+224*x^2*(1+x)^4+256*x^4)/(1-x)^8, x, 40);
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved