G.f. satisfies A(x) = 1 + x*A(x)^2 * (1 + x*A(x)^3)^2.
A367283
G.f. satisfies A(x) = 1 + x*A(x)^2 * (1 + x*A(x)^3)^2.
Terms
- a(0) =1a(1) =1a(2) =4a(3) =20a(4) =116a(5) =728a(6) =4818a(7) =33100a(8) =233824a(9) =1687764a(10) =12393520a(11) =92291681a(12) =695325926a(13) =5290359124a(14) =40591599128a(15) =313725215636
External references
- oeis: A367283