E.g.f. satisfies A(x) = (1 + x * exp(x*A(x)^2))^2.
A377580
E.g.f. satisfies A(x) = (1 + x * exp(x*A(x)^2))^2.
Terms
- a(0) =1a(1) =2a(2) =6a(3) =66a(4) =920a(5) =17450a(6) =425772a(7) =12443438a(8) =428469456a(9) =16947065682a(10) =757343738900
External references
- oeis: A377580