G.f.: Sum_{n>=0} a(n)*x^n/(1+x)^(2*n^2) = 1+x.
A177448
G.f.: Sum_{n>=0} a(n)*x^n/(1+x)^(2*n^2) = 1+x.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =13a(4) =166a(5) =3324a(6) =92718a(7) =3354712a(8) =150206430a(9) =8050991676a(10) =504049958320
External references
- oeis: A177448