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.

A195921 Positive integers c for which there is a primitive (-3/2)-Pythagorean triple (a,b,c) satisfying a<=b.

This page as a plain text file.
%I A195921 #6 Mar 30 2012 18:57:48
%S A195921 2,3,5,7,9,10,11,13,15,15,15,16,17,18,19,22,23,25,26,27,29,30,32,32,
%T A195921 33,34,35,37,38,39,41,42,45,46,48,48,48,48,51,53,54,55,57,57,61,62,63,
%U A195921 64,64,65,66,69,69,73,75,78,78,80,80,80,86,87,90,90,93,94,95,96
%N A195921 Positive integers c for which there is a primitive (-3/2)-Pythagorean triple (a,b,c) satisfying a<=b.
%C A195921 See A195770 for definitions of k-Pythagorean triple, primitive k-Pythagorean triple, and lists of related sequences.
%e A195921 Primitive (-3/2)-Pythagorean triples
%e A195921 (c^2=a^2+b^2+k*a*b, where k=-3/2):
%e A195921 2,3,2
%e A195921 3,10,8
%e A195921 5,6,4
%e A195921 7,48,43
%e A195921 9,16,11
%e A195921 10,51,44
%e A195921 11,114,106
%e A195921 13,30,22
%e A195921 15,16,11
%e A195921 15,32,23
%t A195921 (See A195918.)
%Y A195921 Cf. A195770, A195918, A195922, A195923.
%K A195921 nonn
%O A195921 1,1
%A A195921 _Clark Kimberling_, Sep 26 2011