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 A092011 #3 Mar 30 2012 17:29:15 %S A092011 207480,267960,535920,542640,614040,652080,674520,720720,950040, %T A092011 1178520,1197840,1256640,1321320,1324680,1356600,1369368,1441440, %U A092011 1459920,1510320,1543080,1691760,1727880,1802640,1900080,1984920,2088240 %N A092011 Numbers that can be expressed as the difference of the squares of primes in exactly fifteen distinct ways. %e A092011 207480 = 457^2-37^2 = 461^2-71^2 = 463^2-83^2 = 467^2-103^2 = %e A092011 523^2-257^2 = 599^2-389^2 = 661^2-479^2 = 743^2-587^2 = 863^2-733^2 = %e A092011 967^2-853^2 = 1277^2-1193^2 = 1759^2-1699^2 = 2749^2-2711^2 = 3719^2-3691^2 %e A092011 = 51871^2-51869^2 %Y A092011 Cf. A090781, A090782, A090788, A092000-A092020. %K A092011 nonn %O A092011 1,1 %A A092011 _Ray Chandler_, Feb 22 2004