find-the-coefficient-a-k-of-term-x-k-in-r-1-n-1-x-r-with-0-k-n-n-1-2-example-n-100-k-50-

Question Number 73224 by mr W last updated on 09/Nov/19

f i n d t h e c o e f f i c i e n t a_{k} o f t e r m x^{k} i n

\underset{r = 1}{\prod^{n}} (1 + x^{r}) w i t h 0 ⩽ k ⩽ \frac{n (n + 1)}{2}

e x a m p l e : n = 100, k = 50

Answered by mind is power last updated on 08/Nov/19

this π (n, k) ramanujan fonction of partition of an integer n in k integer