\[\sum_{n=1}^{\infty} \frac{n+1}{n^{3}} = C\]

\(C\) can be written in the format below.

\[\frac{\pi^{2} + 6\zeta(a)}{b}\]

Submit your answer as, \(a+b\)

**Details and Assumptions:**

- \(\zeta(x)\) denotes Riemann Zeta Function.

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