G.f. satisfies A(x) = 1 + x*A(x)^3 * (1 + x*A(x))^2.
A367259
G.f. satisfies A(x) = 1 + x*A(x)^3 * (1 + x*A(x))^2.
Terms
- a(0) =1a(1) =1a(2) =5a(3) =27a(4) =169a(5) =1138a(6) =8061a(7) =59188a(8) =446455a(9) =3438863a(10) =26935372a(11) =213883631a(12) =1717852129a(13) =13931065117a(14) =113913095218a(15) =938154381748
External references
- oeis: A367259