G.f. A(x) satisfies: [x^n] (1+x)^((n+1)^2) / A(x) = 0 for n>0.
A304193
G.f. A(x) satisfies: [x^n] (1+x)^((n+1)^2) / A(x) = 0 for n>0.
Terms
- a(0) =1a(1) =4a(2) =16a(3) =144a(4) =2346a(5) =55236a(6) =1688084a(7) =63040736a(8) =2770165274a(9) =139623836116
External references
- oeis: A304193