- Thread starter
- Admin
- #1

- Feb 14, 2012

- 3,894

-----

Let \(\displaystyle \prod_{n=1}^{1996} (1+nx^{3n})=1+a_1x^{k_1}+a_2x^{k_2}+\cdots+a_mx^{k_m}\) where $a_1,\,a_2,\,\cdots a_m$ are non-zero and $k_1<k_2<\cdots<k_m$.

Find $a_{1996}$.

-----

Remember to read the POTW submission guidelines to find out how to submit your answers!