G.f. A(x) satisfies A(x - A(x)) = x^2/(1 - x^2).
A380558
G.f. A(x) satisfies A(x - A(x)) = x^2/(1 - x^2).
Terms
- a(0) =1a(1) =2a(2) =10a(3) =62a(4) =469a(5) =4028a(6) =37984a(7) =385202a(8) =4144798a(9) =46882400a(10) =553733875a(11) =6795347708a(12) =86314711993
External references
- oeis: A380558