G.f. A(x) satisfies A(x) = 1 + x*(1 + x)^4*A(x)^3.
A366222
G.f. A(x) satisfies A(x) = 1 + x*(1 + x)^4*A(x)^3.
Terms
- a(0) =1a(1) =1a(2) =7a(3) =42a(4) =287a(5) =2114a(6) =16338a(7) =130802a(8) =1075355a(9) =9025656a(10) =77021482a(11) =666267502a(12) =5829209046a(13) =51492030953a(14) =458612500526
External references
- oeis: A366222