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 A096898 #3 Mar 30 2012 17:29:16 %S A096898 1,10,5,84,35,14,105,680,231,30,429,220,715,154,55,5456,1615,390,2261, %T A096898 260,91,770,4025,1976,5175,1326,6525,140,8091,1190,9889,43680,935, %U A096898 3094,595,204,16835,4370,1729,3080,22919,1330,26445,836,285,7866,34545,16240 %N A096898 Least area/6 of primitive Pythagorean triangles with even leg 4n. %Y A096898 Cf. A088557, A088558, A096891-A096900. %K A096898 nonn %O A096898 1,2 %A A096898 _Ray Chandler_, Jul 14 2004