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%I #9 Jan 30 2013 06:30:54
%S 5,6,7,9,11,13,14,16,17,19,21,22,23,25,25,26,29,30,31,32,34,35,37,38,
%T 38,41,43,46,47,48,49,50,53,58,61,62,64,64,65,65,70,73,77,80,80,85,85,
%U 86,94,105,105,110,110,112,112,118,128
%N Positive integers a for which there is a primitive (5/2)-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 (5/2)-Pythagorean triples
%e (c^2=a^2+b^2+k*a*b, where k=5/2):
%e 5,22,28
%e 6,13,20
%e 7,10,18
%e 9,80,91
%e 11,32,45
%e 13,174,190
%e 14,93,110
%e 16,17,35
%e 17,304,325
%e 19,112,135
%t (See A196026.)
%Y Cf. A195770, A196026, A196030, A196031.
%K nonn
%O 1,1
%A _Clark Kimberling_, Sep 26 2011