G.f. satisfies: A(x - A(x)^2) = x + 4*A(x)^2.
A277300
G.f. satisfies: A(x - A(x)^2) = x + 4*A(x)^2.
Terms
- a(0) =1a(1) =5a(2) =60a(3) =1000a(4) =19970a(5) =448160a(6) =10926360a(7) =283651245a(8) =7740058300a(9) =220046970860
External references
- oeis: A277300