OFFSET
0,3
LINKS
Vaclav Kotesovec, Table of n, a(n) for n = 0..180
PROG
(PARI) {a(n)=n!*polcoeff(1+sum(j=1, n, (1/j!)*prod(k=1, j, exp(k*x +x*O(x^n))-1)), n)}
CROSSREFS
KEYWORD
nonn
AUTHOR
Paul D. Hanna, Nov 27 2007
STATUS
approved