Expansion of g^3/(1 - x*g^2)^2, where g = 1+x*g^4 is the g.f. of A002293.
A391201
Expansion of g^3/(1 - x*g^2)^2, where g = 1+x*g^4 is the g.f. of A002293.
Terms
- a(0) =1a(1) =5a(2) =28a(3) =176a(4) =1200a(5) =8659a(6) =65087a(7) =504409a(8) =4002333a(9) =32357257a(10) =265600392a(11) =2207724723a(12) =18546002231a(13) =157204941744
External references
- oeis: A391201