G.f. satisfies: A(x) = Sum_{n>=0} x^n * (A(x)^n + 1/A(x)^n)^n.
A217041
G.f. satisfies: A(x) = Sum_{n>=0} x^n * (A(x)^n + 1/A(x)^n)^n.
Terms
- a(0) =1a(1) =2a(2) =4a(3) =12a(4) =88a(5) =624a(6) =4112a(7) =32912a(8) =293280a(9) =2576896a(10) =23669376a(11) =233756544a(12) =2372829696a(13) =24679378432a(14) =268444154624
External references
- oeis: A217041