Expansion of g^3/(1 - x*g)^2, where g = 1+x*g^4 is the g.f. of A002293.
A391277
Expansion of g^3/(1 - x*g)^2, where g = 1+x*g^4 is the g.f. of A002293.
Terms
- a(0) =1a(1) =5a(2) =26a(3) =154a(4) =1011a(5) =7124a(6) =52721a(7) =404189a(8) =3182044a(9) =25573225a(10) =208942860a(11) =1730327131a(12) =14491406915a(13) =122524695417
External references
- oeis: A391277