Coefficient of x^n in the expansion of ( 1/(1-x)^2 * (1+x^3) )^n.
A370247
Coefficient of x^n in the expansion of ( 1/(1-x)^2 * (1+x^3) )^n.
Terms
- a(0) =1a(1) =2a(2) =10a(3) =59a(4) =362a(5) =2277a(6) =14575a(7) =94474a(8) =618154a(9) =4074197a(10) =27008885a(11) =179897720a(12) =1202961215a(13) =8070830588a(14) =54302131642a(15) =366252974259
External references
- oeis: A370247