G.f. satisfies: A(x)^(1/2) = x + A(x) + A(A(x)) + A(A(A(x))) + A(A(A(A(x)))) +...
A141201
G.f. satisfies: A(x)^(1/2) = x + A(x) + A(A(x)) + A(A(A(x))) + A(A(A(A(x)))) +...
Terms
- a(0) =1a(1) =2a(2) =5a(3) =16a(4) =56a(5) =208a(6) =804a(7) =3202a(8) =13046a(9) =54120a(10) =227812a(11) =970596a(12) =4177436a(13) =18136008a(14) =79326641a(15) =349241700a(16) =1546401412a(17) =6882164584a(18) =30767887372a(19) =138114569908a(20) =622270344740
External references
- oeis: A141201