%I
%S 120,168,312,408,480,552,600,672,720,1008,1200,1800,2160,2472,2832,
%T 2880,3312,3672,4560,5040,5640,6120,6480,6528,7248,7320,7752,7872,
%U 8160,8352,8400,8712,8880,9048,9768,9960,10032,10200,10320,10488,10608,10848
%N Numbers that can be expressed as the difference of the squares of primes in just three distinct ways.
%e 120 = 13^27^2 = 17^213^2 = 31^229^2.
%Y Cf. A078667, A090788, A090781.
%K nonn
%O 1,1
%A _Ray Chandler_, Feb 14 2004
