G.f. satisfies A(x) = 1 + x*A(x)^2 * (1 + x*A(x)^2)^3.
A367285
G.f. satisfies A(x) = 1 + x*A(x)^2 * (1 + x*A(x)^2)^3.
Terms
- a(0) =1a(1) =1a(2) =5a(3) =26a(4) =159a(5) =1042a(6) =7185a(7) =51340a(8) =376806a(9) =2823734a(10) =21516113a(11) =166196703a(12) =1298413089a(13) =10241803340a(14) =81454834164a(15) =652465062453
External references
- oeis: A367285