A334590 - OEIS

%I #5 Jun 16 2020 14:42:19

%S 1,1,2,2,1,2,2,4,2,3,1,2,4,2,7,2,4,3,5,3,1,2,7,3,1,2,5,4,9,2,9,8,6,2,

%T 6,2,3,5,13,2,7,3,2,9,2,12,9,1,9,8,3,1,7,13,8,13,3,1,4,7,10,20,1,3,16,

%U 2,2,1,2,4,8,13,3,1,3,7,3,19,3,15,15,13,6,1,6,21,22,6,2,15,12

%N Number of nonprimitive Heronian triangles with perimeter A334589(n).

%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/HeronianTriangle.html">Heronian Triangle</a>

%H Wikipedia, <a href="https://en.wikipedia.org/wiki/Heronian_triangle">Heronian triangle</a>

%H Wikipedia, <a href="https://en.wikipedia.org/wiki/Integer_triangle">Integer Triangle</a>

%e a(1) = 1; there is one nonprimitive Heronian triangle with a perimeter of A334589(1) = 24, which is [6,8,10].

%e a(2) = 1; there is one nonprimitive Heronian triangle with a perimeter of A334589(2) = 32, which is [10,10,12].

%Y Cf. A051518, A096468, A334589.

%K nonn

%O 1,3

%A _Wesley Ivan Hurt_, May 06 2020