A092008 Numbers that can be expressed as the difference of the squares of primes in exactly twelve distinct ways.

55440, 57960, 94248, 157080, 371280, 394680, 404040, 414120, 447720, 502320, 560280, 572880, 578760, 583440, 619080, 656880, 742560, 756840, 777480, 906360, 939120, 963480, 988680, 1033032, 1053360, 1056720, 1062600, 1088472, 1096680

Offset: 1

Author

Ray Chandler, Feb 22 2004

Keywords

• nonn

Examples

			55440 = 239^2-41^2 = 257^2-103^2 = 283^2-157^2 = 307^2-197^2 =
353^2-263^2 = 359^2-271^2 = 421^2-349^2 = 523^2-467^2 = 1549^2-1531^2 =
1987^2-1973^2 = 2777^2-2767^2 = 3469^2-3461^2
		

Crossrefs

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