Coefficient of x^n in the expansion of 1 / ( (1-x) * (1-x-x^3)^2 )^n.
A372459
Coefficient of x^n in the expansion of 1 / ( (1-x) * (1-x-x^3)^2 )^n.
Terms
- a(0) =1a(1) =3a(2) =21a(3) =171a(4) =1469a(5) =12988a(6) =116985a(7) =1067545a(8) =9836541a(9) =91313469a(10) =852701256a(11) =8001080244a(12) =75375985841a(13) =712487600698
External references
- oeis: A372459