Integral_{x=0..infinity} (x + x^2 + x^3)^n exp(-x).
A174636
Integral_{x=0..infinity} (x + x^2 + x^3)^n exp(-x).
Terms
- a(0) =1a(1) =9a(2) =1046a(3) =519918a(4) =681617304
External references
- oeis: A174636
A174636
Integral_{x=0..infinity} (x + x^2 + x^3)^n exp(-x).