A196091 - OEIS

%I #6 Mar 30 2012 18:57:49

%S 7,9,13,15,16,19,23,25,27,29,33,35,40,40,41,45,47,51,53,55,59,63,65,

%T 71,72,75,81,83,85,88,89,93,95,96,99,101,104,111,115,117,117,128,129,

%U 133,135,145,147,152,153,153,168,171,175,183,195,200,208,216,217

%N Positive integers a for which there is a primitive (5/3)-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.

%e Primitive (5/3)-Pythagorean triples;

%e c^2=a^2+b^2+k*a*b, where k=5/3:

%e 7,39,45

%e 9,17,25

%e 13,144,155

%e 15,56,69

%e 16,45,59

%e 19,315,331

%e 23,24,45

%e 25,552,573

%e 27,200,223

%e 29,45,71

%t (See A196088.)

%Y Cf. A195770, A196088, A196092, A196093.

%K nonn

%O 1,1

%A _Clark Kimberling_, Sep 27 2011