G.f. A(x) satisfies: Sum_{n>=0} A(x)^((n+1)^2) * x^n = Sum_{n>=0} ((1+x)^(n+1) + 1)^n * x^n.
A326557
G.f. A(x) satisfies: Sum_{n>=0} A(x)^((n+1)^2) * x^n = Sum_{n>=0} ((1+x)^(n+1) + 1)^n * x^n.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =3a(5) =12a(6) =64a(7) =391a(8) =2617a(9) =18738a(10) =141483a(11) =1116801a(12) =9160502a(13) =77745060a(14) =680550918a(15) =6129635386a(16) =56699324213a(17) =537823602765
External references
- oeis: A326557