Coefficient of x^3 in expansion of (x+3) * (x+7) * ... * (x+4*n-1).
A383703
Coefficient of x^3 in expansion of (x+3) * (x+7) * ... * (x+4*n-1).
Terms
- a(0) =0a(1) =0a(2) =0a(3) =1a(4) =36a(5) =1130a(6) =36660a(7) =1280419a(8) =48644344a(9) =2011398164a(10) =90267003960
External references
- oeis: A383703