A092014 Numbers that can be expressed as the difference of the squares of primes in exactly eighteen distinct ways.

314160, 378840, 1127280, 1835400, 2234232, 3485328, 6016920, 6588120, 7611240, 7868280, 8713320, 9838920, 9969960, 10210200, 10799880, 10952760, 11291280, 11509680, 11938080, 12326160, 12437880, 12815880, 12983880, 13693680

Offset

1,1

Links

Table of n, a(n) for n=1..24.

Example

314160 = 563^2-53^2 = 571^2-109^2 = 577^2-137^2 = 607^2-233^2 =
641^2-311^2 = 701^2-421^2 = 727^2-463^2 = 853^2-643^2 = 1009^2-839^2 =
1223^2-1087^2 = 1483^2-1373^2 = 2833^2-2777^2 = 3761^2-3719^2 =
3947^2-3907^2 = 4637^2-4603^2 = 7151^2-7129^2 = 26183^2-26177^2 =
78541^2-78539^2

Crossrefs

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

Sequence in context: A250152 A104826 A291599 * A250501 A234656 A205984

Adjacent sequences: A092011 A092012 A092013 * A092015 A092016 A092017

Keyword

nonn

Author

Ray Chandler, Feb 22 2004

Extensions

a(14)-a(24) from Donovan Johnson, Nov 26 2008

Status

approved