Expansion of e.g.f. exp((g^4 - 1)/4), where g = 1+x*g^2 is the g.f. of A000108.
A391555
Expansion of e.g.f. exp((g^4 - 1)/4), where g = 1+x*g^2 is the g.f. of A000108.
Terms
- a(0) =1a(1) =1a(2) =8a(3) =94a(4) =1468a(5) =28676a(6) =673096a(7) =18456208a(8) =578989664a(9) =20451955168a(10) =803281220416
External references
- oeis: A391555