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A092012 Numbers that can be expressed as the difference of the squares of primes in exactly sixteen distinct ways. 0
175560, 341880, 408408, 545160, 600600, 656040, 840840, 912912, 942480, 954408, 1007160, 1302840, 1350888, 1367520, 1442280, 1609608, 2457840, 2492280, 3243240, 3651648, 3797640, 3982440, 4212600, 4370520, 4440072, 4775232 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..26.

EXAMPLE

175560 = 421^2-41^2 = 431^2-101^2 = 439^2-131^2 = 463^2-197^2 =

499^2-271^2 = 523^2-313^2 = 557^2-367^2 = 853^2-743^2 = 1193^2-1117^2 =

1493^2-1433^2 = 2017^2-1973^2 = 2111^2-2069^2 = 6277^2-6263^2 =

7321^2-7309^2 = 14633^2-14627^2 = 43891^2-43889^2

CROSSREFS

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

Sequence in context: A224253 A252843 A173705 * A224650 A262822 A273727

Adjacent sequences:  A092009 A092010 A092011 * A092013 A092014 A092015

KEYWORD

nonn

AUTHOR

Ray Chandler, Feb 22 2004

STATUS

approved

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Last modified June 14 05:51 EDT 2021. Contains 345018 sequences. (Running on oeis4.)