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

A303061

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

Terms

    a(0) =1a(1) =1a(2) =1a(3) =7a(4) =87a(5) =1667a(6) =42971a(7) =1387941a(8) =53739797a(9) =2421203261a(10) =124265293581

External references