OFFSET
0,2
EXAMPLE
G.f.: A(x) = 1 + 2*x + 175*x^2 + 1760658*x^3 + 1583078442003*x^4 +...
where
log(A(x)) = 2*x + 346*x^2/2 + 5280932*x^3/3 + 6332299624282*x^4/4 + 548057409594239814752*x^5/5 +...+ A000172(n^2)*x^n/n +...
PROG
(PARI) {a(n)=local(A=1+x); for(i=1, n, A=exp(sum(m=1, n, sum(j=0, m^2, binomial(m^2, j)^3)*x^m/m+x*O(x^n)))); polcoeff(A, n)}
for(n=0, 31, print1(a(n), ", "))
CROSSREFS
KEYWORD
nonn
AUTHOR
Paul D. Hanna, Sep 04 2012
STATUS
approved