G.f. A(x) satisfies: [x^(n-1)] A(x)^(n^2) = 2*n * [x^(n-2)] A(x)^(n^2) for n>=2, with A(0) = 1.

A295811

G.f. A(x) satisfies: [x^(n-1)] A(x)^(n^2) = 2*n * [x^(n-2)] A(x)^(n^2) for n>=2, with A(0) = 1.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =11a(4) =140a(5) =2898a(6) =80844a(7) =2786091a(8) =113184008a(9) =5266198778a(10) =275248731860

External references