OFFSET
0,4
PROG
(PARI) a(n) = polcoeff(prod(k=1, n, 1+x^k, 1+x*O(x^n)), n); f(n)=sum(k=0, n-1, k!); for(n=0, 22, print(a(f(n))))
CROSSREFS
KEYWORD
nonn
AUTHOR
Jason Earls, Oct 14 2001
EXTENSIONS
More terms from Vladeta Jovovic, Oct 16 2001
STATUS
approved