%I #24 Feb 26 2020 10:33:56
%S 0,0,0,0,0,0,1,0,0,0,0,0,0,1,0,0,1,0,0,0,1,0,1,0,0,0,0,1,0,0,1,0,0,1,
%T 1,0,0,0,0,0,1,1,0,0,0,1,1,0,2,0,1,0,0,0,0,1,0,0,0,0,0,1,1,0,0,0,0,1,
%U 1,1,1,0,1,0,0,0,1,0,1,0,0,1,0,1,1,0,0,0,1,0,1,1,1,1,0,0,1,2,0,0,0,1
%N Number of Pythagorean triangles with sum of legs n.
%H Ray Chandler, <a href="/A331671/b331671.txt">Table of n, a(n) for n = 1..10000</a>
%Y Cf. A118905, A198390, A254064.
%K nonn
%O 1,49
%A _Ray Chandler_, Feb 26 2020