A051586 - OEIS

%I #6 Nov 04 2019 09:34:10

%S 6,12,126,60,240,210,1080,336,1260,924,2016,2640,5280,11424,420,2520,

%T 840,5544,3696,14280,3360,25200,1680,6720,10920,26880,15960,137280,

%U 23100,43680,64680,21840,32760,24024,13860,7560,68040,49140,262080,60480,73920,133056,207900

%N There are exactly n integer-sided triangles of area a(n).

%C If integer-sided triangle has integer area, area is divisible by 6.

%H Giovanni Resta, <a href="/A051586/b051586.txt">Table of n, a(n) for n = 1..75</a>

%Y Cf. A051584, A051585.

%K nonn

%O 1,1

%A _David W. Wilson_

%E More terms from _Giovanni Resta_, Nov 04 2019