Re: [math-fun] Magic squares of primes(?)
20 Aug
2016
20 Aug
'16
1:16 a.m.
In 2013 Al Zimmermann and Natalia Makarova started a contest about pandiagonal magic squares of primes: http://azspcs.com/Contest/PandiagonalMagicSquares Jarek Wroblewski found the best solution for each problem: http://azspcs.com/Contest/PandiagonalMagicSquares/FinalReport Walter
21 Aug
21 Aug
3:58 p.m.
New subject: [math-fun] Math and logic puzzles from the NSA in the news
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Eugene Salamin -
Walter Trump