A196380 - OEIS

%I #5 Mar 30 2012 18:57:49

%S 4,20,15,21,24,48,40,88,35,65,140,84,204,55,133,112,280,56,368,99,225,

%T 180,468,220,580,77,119,143,341,80,704,312,840,91,481,364,117,207,255,

%U 645,480,544,323,833,140,132,156,684,319,760,176,153,171,483

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

%C See A195770 for definitions of k-Pythagorean triple, primitive k-Pythagorean triple, and lists of related sequences.

%t (See A196376.)

%Y Cf. A195770, A196376, A196379, A196381, A196377.

%K nonn

%O 1,1

%A _Clark Kimberling_, Oct 01 2011