The book is now available! 90441
(another Prime Pages' Curiosity)
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Zhi-Wei Sun conjectured in March 2008 that any integer n > 90441 can be written as n = T + p, where T is a positive triangular number and p = 0 or a prime congruent to 3 (mod 4). [Capelle]

 

  Submitted: 2008-04-28 06:26:53;   Last Modified: 2009-02-19 15:30:35.



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