Coefficient of x^n in the expansion of 1 / ( (1-x) * (1-x+x^2)^2 )^n.
A372462
Coefficient of x^n in the expansion of 1 / ( (1-x) * (1-x+x^2)^2 )^n.
Terms
- a(0) =1a(1) =3a(2) =17a(3) =105a(4) =673a(5) =4403a(6) =29183a(7) =195170a(8) =1313889a(9) =8889963a(10) =60392717a(11) =411615867a(12) =2813115487a(13) =19270525316a(14) =132273530462a(15) =909530996780
External references
- oeis: A372462