The book is now available! 209173
(another Prime Pages' Curiosity)
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+ The start of the longest known chain of super magic primes, i.e., with each of its subsets having a prime average (209173, 322573, 536773, 1217893, 2484733), although the Green-Tao theorem predicts the inexistence of an upper bound to the length of such chains. [Beedassy]




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