Pour une simple clé subsides pour les professionnels Dévoilé
Euler commented "Mathematicians have tried in vain 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 décryptage, D. Zagier commented "There are two facts embout the attribution of Cadeau numbers of which I