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Squares sum up to a prime (Posted on 2017-01-13) Difficulty: 3 of 5
List all integers n such that the sum 2^2 + 3^2 + 4^2 + ... + n^2 equals a prime number. p&p solutions only.

See The Solution Submitted by Ady TZIDON    
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  Subject Author Date
response to commentsxdog2017-01-14 07:50:35
Hints/Tipsre: solutionAdy TZIDON2017-01-13 22:24:02
re: solutionJer2017-01-13 16:41:35
solutionxdog2017-01-13 11:37:51
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