G.f. A(x) satisfies: 1 = Sum_{n>=0} (-x)^n * A(x)^(2*n) * A(x*A(x)^n).
A352854
G.f. A(x) satisfies: 1 = Sum_{n>=0} (-x)^n * A(x)^(2*n) * A(x*A(x)^n).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =6a(4) =23a(5) =103a(6) =516a(7) =2819a(8) =16517a(9) =102615a(10) =670503a(11) =4580064a(12) =32553887a(13) =239884108a(14) =1827188093a(15) =14351353937a(16) =115997378072a(17) =963164672275
External references
- oeis: A352854