G.f. satisfies A(x) = ( 1 + x*A(x)^2*(1 + x*A(x)) )^3.
A365154
G.f. satisfies A(x) = ( 1 + x*A(x)^2*(1 + x*A(x)) )^3.
Terms
- a(0) =1a(1) =3a(2) =24a(3) =241a(4) =2739a(5) =33513a(6) =430777a(7) =5736027a(8) =78428376a(9) =1094690208a(10) =15533884197a(11) =223429310925
External references
- oeis: A365154