Top network posts

• 21 What's going on with this puzzle?
• 18 Diophantine equation: $\prod_{i=1}^n (i^{i+1}+1)=k^2$ beyond $(n,k) = (4,1230)$?
• 15 A magical thing?
• 14 A slitherlink with only 3's
• 12 Solve this algebraic equation
• 10 Slitherlink with so many 2's
• 10 What's the encrypted code?
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