Expansion of g/(1 - x^2*g^3), where g = 1+x*g^4 is the g.f. of A002293.
A391099
Expansion of g/(1 - x^2*g^3), where g = 1+x*g^4 is the g.f. of A002293.
Terms
- a(0) =1a(1) =1a(2) =5a(3) =26a(4) =163a(5) =1116a(6) =8103a(7) =61271a(8) =477333a(9) =3804635a(10) =30878286a(11) =254306304a(12) =2119951278a(13) =17853490116a(14) =151669244490
External references
- oeis: A391099