A092003 Numbers that can be expressed as the difference of the squares of primes in exactly seven distinct ways.

1848, 3360, 4368, 7392, 16632, 19320, 26520, 28560, 32760, 34320, 36960, 38760, 44520, 52080, 54600, 57720, 62040, 65208, 68880, 69960, 73920, 75768, 78120, 79560, 82992, 83160, 86520, 89760, 95760, 106080, 108240, 108528, 115368

Offset

1,1

Links

Table of n, a(n) for n=1..33.

Example

1848 = 47^2-19^2 = 53^2-31^2 = 73^2-59^2 = 83^2-71^2 = 157^2-151^2 = 233^2-229^2 = 463^2-461^2.

Crossrefs

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

Sequence in context: A105000 A094377 A080395 * A090783 A247724 A236030

Adjacent sequences: A092000 A092001 A092002 * A092004 A092005 A092006

Keyword

nonn

Author

Ray Chandler, Feb 22 2004

Status

approved