Expansion of g^3/(1 - x^2*g), where g = 1+x*g^4 is the g.f. of A002293.
A391102
Expansion of g^3/(1 - x^2*g), where g = 1+x*g^4 is the g.f. of A002293.
Terms
- a(0) =1a(1) =3a(2) =16a(3) =95a(4) =635a(5) =4534a(6) =33890a(7) =261765a(8) =2072641a(9) =16732801a(10) =137213748a(11) =1139738646a(12) =9569342309a(13) =81082064798a(14) =692433744780
External references
- oeis: A391102