A092001 Numbers that can be expressed as the difference of the squares of primes in exactly five distinct ways.

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

Links

Table of n, a(n) for n=1..35.

Example

1560 = 41^2-11^2 = 43^2-17^2 = 71^2-59^2 = 83^2-73^2 =
197^2-193^2

Crossrefs

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

Sequence in context: A368786 A343867 A302057 * A069475 A158773 A259303

Adjacent sequences: A091998 A091999 A092000 * A092002 A092003 A092004

Keyword

nonn

Author

Ray Chandler, Feb 22 2004

Status

approved