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Number of Pythagorean triangles with sum of legs n.
5

%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