A092013 Numbers that can be expressed as the difference of the squares of primes in exactly seventeen distinct ways.

185640, 212520, 286440, 328440, 360360, 414960, 425040, 1099560, 1273272, 1526280, 1633632, 2090088, 2635248, 3124968, 3825360, 4461072, 4740120, 4758600, 5213208, 6240360, 7086240, 8251320, 8539440, 9064440, 9129120

Offset: 1

Author

Ray Chandler, Feb 22 2004

Keywords

• nonn

Examples

			185640 = 431^2-11^2 = 433^2-43^2 = 443^2-103^2 = 487^2-227^2 =
509^2-271^2 = 547^2-337^2 = 557^2-353^2 = 601^2-419^2 = 631^2-461^2 =
733^2-593^2 = 1229^2-1151^2 = 1361^2-1291^2 = 1811^2-1759^2 = 3109^2-3079^2
= 3329^2-3301^2 = 3583^2-3557^2 = 15473^2-15467^2
		

Crossrefs

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