G.f. satisfies: A(x) = 1/(1 - x/(1 - x*A(x))^4)^2.
A349023
G.f. satisfies: A(x) = 1/(1 - x/(1 - x*A(x))^4)^2.
Terms
- a(0) =1a(1) =2a(2) =11a(3) =64a(4) =417a(5) =2892a(6) =20941a(7) =156500a(8) =1198049a(9) =9346690a(10) =74042938a(11) =594001236a(12) =4815995027a(13) =39399831458a(14) =324840184326
External references
- oeis: A349023