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 A196365 #5 Mar 30 2012 18:57:49 %S A196365 2,3,5,7,7,10,10,11,11,13,14,15,15,16,16,16,17,18,19,19,22,23,23,25, %T A196365 26,26,27,29,31,32,32,32,34,34,35,35,35,37,38,39,41,42,43,46,47,48,48, %U A196365 50,51,55,55,55,58,59,62,63,64,64,64,65,66,67,70,71,74,75,77,79 %N A196365 Positive integers a for which there is a primitive (-5/2)-Pythagorean triple (a,b,c) satisfying a<=b. %C A196365 See A195770 for definitions of k-Pythagorean triple, primitive k-Pythagorean triple, and lists of related sequences. %e A196365 Primitive (-5/2)-Pythagorean triples a,b,c; %e A196365 c^2=a^2+b^2-(5/2)*a*b: %e A196365 2,5,2 %e A196365 3,14,10 %e A196365 5,16,9 %e A196365 7,16,5 %e A196365 7,64,55 %e A196365 10,21,4 %e A196365 10,69,56 %e A196365 11,30,14 %e A196365 11,150,136 %e A196365 13,80,63 %t A196365 (See A196362.) %Y A196365 Cf. A195770, A196362, A196366, A196367. %K A196365 nonn %O A196365 1,1 %A A196365 _Clark Kimberling_, Oct 01 2011