exp(Sum_{n>0} x^n/n^2) = Sum_{n>=0} a(n)*x^n/n!^2.
A074707
exp(Sum_{n>0} x^n/n^2) = Sum_{n>=0} a(n)*x^n/n!^2.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =19a(4) =214a(5) =3846a(6) =102206a(7) =3795758a(8) =188648664a(9) =12125977944a(10) =980768153832
External references
- oeis: A074707