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A070119 Numbers n such that [A070080(n), A070081(n), A070082(n)] is an acute integer triangle with relatively prime side lengths. 4

%I #7 Mar 30 2012 18:50:20

%S 1,2,4,6,7,11,12,15,16,19,22,23,27,28,33,35,39,40,43,45,46,47,51,53,

%T 55,58,60,63,64,65,70,72,73,81,83,88,90,92,94,95,98,103,106,107,108,

%U 109,114,119,121,124,132,134,135,136,140,142,148

%N Numbers n such that [A070080(n), A070081(n), A070082(n)] is an acute integer triangle with relatively prime side lengths.

%H R. Zumkeller, <a href="/A070080/a070080.txt">Integer-sided triangles</a>

%e a(15)=33: [A070080(33), A070081(33), A070082(33)]=[4,5,6], A070084(33)=gcd(4,5,6)=1, A070085(33)=4^2+5^2-6^2=16+25-36=5>0.

%Y Cf. A070094, A070122, A070125, A070118, A070110.

%K nonn

%O 1,2

%A _Reinhard Zumkeller_, May 05 2002

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