cp's OEIS Frontend

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.

A196249 Positive integers a for which there is a primitive (-3/4)-Pythagorean triple (a,b,c) satisfying a<=b.

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%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