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A092013 Numbers that can be expressed as the difference of the squares of primes in exactly seventeen distinct ways. 0
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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..25.

EXAMPLE

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.

Sequence in context: A117225 A032748 A180099 * A186878 A192103 A203442

Adjacent sequences:  A092010 A092011 A092012 * A092014 A092015 A092016

KEYWORD

nonn

AUTHOR

Ray Chandler, Feb 22 2004

STATUS

approved

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Last modified June 18 12:25 EDT 2021. Contains 345108 sequences. (Running on oeis4.)