OFFSET
0,3
COMMENTS
EXAMPLE
G.f.: A(x) = 1 + x + 7*x^2 + 110*x^3 + 2875*x^4 + 109683*x^5 +...
such that
A(x)^2 = 1 + 2*x + 15*x^2 + 234*x^3 + 6019*x^4 + 226656*x^5 +...+ A212370(n)*x^n +...
CROSSREFS
KEYWORD
nonn
AUTHOR
Paul D. Hanna, May 10 2012
STATUS
approved