Next in the Series

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?




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Complete the table series riddle by finding the number that can replace "??".

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Amazing Facts

No Solution

In 2007, a puzzle was released and $2 million prizes were offered for the first complete solution. The competition ended at noon on 31 December 2010, with no solution being found. Wiki