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 A094143 #6 Mar 31 2012 10:26:02 %S A094143 6,30,84,210,180,1386,504,330,546,2574,990,3570,840,7854,4290,1716, %T A094143 1224,14490,11856,1710,2730,8970,26220,2310,9690,4080,11550,49476, %U A094143 3036,35700,29580,23460,13566,3900,60060,66120,36270,18096,4914,31350,18354,7980 %N A094143 Least area of primitive Pythagorean triangle whose legs differ by A058529(n). %e A094143 This is product of A094140(n) and A094142(n). %Y A094143 Cf. A058529, A094136, A094137, A094138, A094140, A094142. %K A094143 nonn %O A094143 1,1 %A A094143 _Lekraj Beedassy_, May 04 2004 %E A094143 Corrected and extended by _Ray Chandler_, Jun 20 2004