Expansion of g^3/(1 - x^3*g), where g = 1+x*g^4 is the g.f. of A002293.
A391103
Expansion of g^3/(1 - x^3*g), where g = 1+x*g^4 is the g.f. of A002293.
Terms
- a(0) =1a(1) =3a(2) =15a(3) =92a(4) =616a(5) =4411a(6) =33031a(7) =255449a(8) =2024470a(9) =16355185a(10) =134189706a(11) =1115104858a(12) =9365860761a(13) =79381653950a(14) =678084214953
External references
- oeis: A391103