QUE SIGNIFIE?

Euler commented "Mathematicians have tried in insignifiant to this day to discover some order in the sequence of Don numbers, and we have reason to believe that it is a mystery into which the mind will never penetrate" (Havil 2003, p. 163). In a 1975 déchiffrage, D. Zagier commented "There are two facts about the remise of prime numbers of which