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A092001
Numbers that can be expressed as the difference of the squares of primes in exactly five distinct ways.
1
1560, 2640, 3120, 4200, 5928, 6072, 6840, 7560, 7800, 10080, 10560, 11400, 11760, 12240, 12600, 13440, 15288, 15600, 15840, 17808, 20592, 20832, 21120, 21528, 21912, 22848, 25680, 25872, 26208, 27840, 29232, 29400, 29640, 30192, 30240
OFFSET
1,1
EXAMPLE
1560 = 41^2-11^2 = 43^2-17^2 = 71^2-59^2 = 83^2-73^2 =
197^2-193^2
CROSSREFS
KEYWORD
nonn
AUTHOR
Ray Chandler, Feb 22 2004
STATUS
approved