This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A092002 #5 Nov 17 2013 10:04:27 %S A092002 840,1320,1680,2520,3192,3432,4920,5208,5280,5712,6552,6888,9360, %T A092002 11928,16008,19152,19992,25200,29568,31080,35880,38280,38640,40920, %U A092002 41832,45240,47880,48360,48720,51240,51480,53040,56280,57288,61320,63240 %N A092002 Numbers that can be expressed as the difference of the squares of primes in exactly six distinct ways. %e A092002 840 = 31^2-11^2 = 37^2-23^2 = 41^2-29^2 = 47^2-37^2 = 73^2-67^2 = %e A092002 107^2-103^2 %t A092002 Take[Transpose[Select[Tally[Sort[Last[#]-First[#]&/@(Subsets[ Prime[ Range[ 2000]],{2}]^2)]],Last[#]==6&]][[1]],40] (* _Harvey P. Dale_, Nov 17 2013 *) %Y A092002 Cf. A090781, A090782, A090788, A092000-A092020. %K A092002 nonn %O A092002 1,1 %A A092002 _Ray Chandler_, Feb 22 2004