Expansion of Sum_{k>=0} k * x^k/(1 + k^4 * x).
A349861
Expansion of Sum_{k>=0} k * x^k/(1 + k^4 * x).
Terms
- a(0) =0a(1) =1a(2) =1a(3) =-28a(4) =272a(5) =10473a(6) =-1204227a(7) =61879504a(8) =5542428184
External references
- oeis: A349861
A349861
Expansion of Sum_{k>=0} k * x^k/(1 + k^4 * x).