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A092004
Numbers that can be expressed as the difference of the squares of primes in exactly eight distinct ways.
0
7728, 17160, 25080, 26040, 30360, 35112, 42840, 50160, 53592, 56760, 63840, 65520, 67320, 68640, 79800, 90480, 93912, 95880, 98280, 105672, 106680, 112560, 120360, 135408, 135960, 139080, 139128, 140448, 148512, 150360, 154440, 158928
OFFSET
1,1
EXAMPLE
7728 = 97^2-41^2 = 107^2-61^2 = 113^2-71^2 = 173^2-149^2 =
283^2-269^2 = 487^2-479^2 = 647^2-641^2 = 1933^2-1931^2
CROSSREFS
KEYWORD
nonn
AUTHOR
Ray Chandler, Feb 22 2004
STATUS
approved