G.f. A(x) satisfies: 1 = Sum_{n>=0} (n+1)*(n+2)*(n+3)/3! * 4^n * ((1+x)^n - A(x))^n.
A337757
G.f. A(x) satisfies: 1 = Sum_{n>=0} (n+1)*(n+2)*(n+3)/3! * 4^n * ((1+x)^n - A(x))^n.
Terms
- a(0) =1a(1) =1a(2) =10a(3) =460a(4) =30250a(5) =2488776a(6) =240707480a(7) =26452491760
External references
- oeis: A337757