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 A094140 #10 Jul 08 2013 18:38:14 %S A094140 1,2,3,5,4,14,7,5,6,18,9,21,7,33,22,11,8,45,39,9,13,30,60,10,30,15,33, %T A094140 84,11,68,60,51,34,12,91,95,65,39,13,57,38,19,70,42,14,105,84,144,42, %U A094140 21,15,138,112,115,80,92,48,16,46,23,119,85,51,17,100,126,209,75,50,25 %N A094140 Smallest inradius of primitive Pythagorean triangle whose legs differ by A058529(n). %C A094140 This is the product x*y of the smallest positive solution (x,y) to x^2 - 2*y^2 = -+d, where d=A058529(n). %D A094140 Mohammad K. Azarian, Circumradius and Inradius, Problem S125, Math Horizons, Vol. 15, Issue 4, April 2008, p. 32. Solution published in Vol. 16, Issue 2, November 2008, p. 32. %Y A094140 Cf. A058529, A094136, A094137, A094138, A094142, A094143. %K A094140 nonn %O A094140 1,2 %A A094140 _Lekraj Beedassy_, May 04 2004 %E A094140 Corrected and extended by _Ray Chandler_, Jun 20 2004