Denominator of coefficient of (-x^2)^n in F(x)*F(-x) where F(x) = Sum_{k>=0} x^k/(k!)^3.

A068112

Denominator of coefficient of (-x^2)^n in F(x)*F(-x) where F(x) = Sum_{k>=0} x^k/(k!)^3.

Terms

    a(0) =1a(1) =4a(2) =768a(3) =1555200a(4) =20808990720

External references