G.f. A(x) satisfies: 1 = Sum_{n>=0} x^n * ((1 + 4*x)^n - A(x))^(n+1), where A(0) = 0.
A325584
G.f. A(x) satisfies: 1 = Sum_{n>=0} x^n * ((1 + 4*x)^n - A(x))^(n+1), where A(0) = 0.
Terms
- a(0) =1a(1) =7a(2) =17a(3) =143a(4) =1297a(5) =10943a(6) =119041a(7) =1352319a(8) =16521601a(9) =217712895a(10) =3035672577a(11) =44699885311a(12) =692651630593
External references
- oeis: A325584