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Special feature (Posted on 2018-07-29)

What is the biggest even number N that can't be written as a sum of odd composite numbers?

Bonus: Find another feature unique to N.

See The Solution Submitted by Ady TZIDON

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Comment 6 of 6 |

see full "official" solution, including proof

Posted by Ady TZIDON on 2018-08-06 21:08:58

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