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 A196249 #6 Mar 30 2012 18:57:49 %S A196249 3,3,4,6,7,9,10,11,12,14,17,20,21,22,23,25,26,28,29,30,31,32,32,32,34, %T A196249 35,36,37,38,39,41,42,49,52,53,55,57,58,60,61,63,64,64,68,69,70,74,76, %U A196249 76,82,84,84,84,87,91,91,92,92,93,95,96,96,96,96,96,98,99,101 %N A196249 Positive integers a for which there is a primitive (-3/4)-Pythagorean triple (a,b,c) satisfying a<=b. %C A196249 See A195770 for definitions of k-Pythagorean triple, primitive k-Pythagorean triple, and lists of related sequences. %e A196249 Primitive (-3/4)-Pythagorean triples a,b,c; %e A196249 c^2=a^2+b^2+k*a*b, where k=-3/4: %e A196249 3,4,4 %e A196249 3,32,31 %e A196249 4,15,14 %e A196249 6,14,13 %e A196249 7,36,34 %e A196249 9,28,26 %e A196249 10,18,17 %e A196249 11,420,416 %e A196249 14,342,337 %t A196249 (See A196245.) %Y A196249 Cf. A195770, A196245, A196249, A196250. %K A196249 nonn %O A196249 1,1 %A A196249 _Clark Kimberling_, Sep 30 2011