OFFSET
0,3
COMMENTS
FORMULA
Logarithmic derivative yields A224680.
EXAMPLE
G.f.: A(x) = 1 + x + 3*x^2 + 19*x^3 + 300*x^4 + 11768*x^5 + 1193594*x^6 +...
where
log(A(x)) = x + 5*x^2/2 + 49*x^3/3 + 1117*x^4/4 + 57181*x^5/5 + 7086833*x^6/6 +...+ A224678(n^2)*x^n/n +...
PROG
CROSSREFS
KEYWORD
nonn
AUTHOR
Paul D. Hanna, Apr 14 2013
STATUS
approved