Fascination propos de primes pour les societes
Euler commented "Mathematicians have tried in insignifiant to this day to discover some order in the sequence of Cadeau 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 lecture, D. Zagier commented "There are two facts embout the dotation of Gratification numbers