G.f. A(x) satisfies: 3 = Sum_{n=-oo..oo} (-x)^(n*(n+1)/2) * A(x)^(n*(n-1)/2).
A354663
G.f. A(x) satisfies: 3 = Sum_{n=-oo..oo} (-x)^(n*(n+1)/2) * A(x)^(n*(n-1)/2).
Terms
- a(0) =2a(1) =9a(2) =108a(3) =1848a(4) =36306a(5) =771768a(6) =17280096a(7) =401451192a(8) =9587095686a(9) =233892105912
External references
- oeis: A354663