G.f. satisfies: A(x) = Sum_{n>=0} ((1 + x*A(x))^n - 1)^n / (1 + x*A(x))^(n^2).
A187826
G.f. satisfies: A(x) = Sum_{n>=0} ((1 + x*A(x))^n - 1)^n / (1 + x*A(x))^(n^2).
Terms
- a(0) =1a(1) =1a(2) =4a(3) =26a(4) =219a(5) =2227a(6) =26438a(7) =359904a(8) =5555201a(9) =96383191a(10) =1864908541a(11) =39929905561a(12) =938897407239
External references
- oeis: A187826