G.f. A(x) satisfies 2 = Sum_{n=-oo..+oo} x^(2*n) * (A(x) - x^(2*n+1))^(n-1).
A380065
G.f. A(x) satisfies 2 = Sum_{n=-oo..+oo} x^(2*n) * (A(x) - x^(2*n+1))^(n-1).
Terms
- a(0) =1a(1) =3a(2) =14a(3) =98a(4) =785a(5) =6702a(6) =59968a(7) =554872a(8) =5266164a(9) =50982561a(10) =501511295a(11) =4998413255a(12) =50366515829a(13) =512257729704
External references
- oeis: A380065