OFFSET
0,2
FORMULA
Self-convolution cube of A132330.
PROG
(PARI) {a(n)=local(A=1+x*O(x^n)); for(j=0, n-1, A=1+x^(n-j)*A^3); polcoeff(A^3, n)}
CROSSREFS
KEYWORD
nonn
AUTHOR
Paul D. Hanna, Aug 20 2007
STATUS
approved