OFFSET
0,2
LINKS
Vaclav Kotesovec, Table of n, a(n) for n = 0..320
FORMULA
a(n) ~ 4 * (n-1)! / (27 * (log(3/2))^(n+1)). - Vaclav Kotesovec, Feb 11 2015, updated Feb 18 2017
PROG
(PARI) {a(n)=polcoeff(x/serreverse(x*exp(sum(m=1, n+1, sum(k=0, m, stirling(m, k, 2)*(2^k)*k!)*x^m/m +x^2*O(x^n)))), n)}
for(n=0, 20, print1(a(n), ", ")) \\ Vaclav Kotesovec, Feb 11 2015
CROSSREFS
KEYWORD
nonn
AUTHOR
Michael Somos, Sep 24 2003
STATUS
approved