A092004 Numbers that can be expressed as the difference of the squares of primes in exactly eight distinct ways.

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

Author

Ray Chandler, Feb 22 2004

Keywords

• nonn

Examples

			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

Cf. A090781, A090782, A090788, A092000-A092020.