OFFSET
0,2
LINKS
Vaclav Kotesovec, Table of n, a(n) for n = 0..550
FORMULA
G.f.: x / Series_Reversion( x*exp( Sum_{n>=1} A000172(n)*x^n/n ) ), where A000172(n) is the n-th Franel number. - Paul D. Hanna, May 25 2014
PROG
(PARI) a(n)=polcoeff(x/serreverse(x*exp(sum(m=1, n+1, sum(k=0, m, binomial(m, k)^3)*x^m/m +x^2*O(x^n)))), n)
for(n=0, 30, print1(a(n), ", ")) \\ Paul D. Hanna, May 25 2014
CROSSREFS
KEYWORD
nonn
AUTHOR
Michael Somos, Sep 24 2003
STATUS
approved