This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A332926 #12 Mar 06 2020 03:36:01 %S A332926 63,64,65,68,70,70,72,77,77,80,81,82,84,85,88,90,91,93,95,99,105,108, %T A332926 110,112,112,115,117,125,126,126,128,135,136,140,143,145,152,152,153, %U A332926 154,160,165,168,174,180,182,182,187,198,203,203,203,205,205,208,217 %N A332926 2*a(n) are the perimeters of distinct triangles with integer sides i <= j <= k, whose area equals 6 times their perimeter. Terms occurring more than once belong to different triangles. %C A332926 There are A007237(6) = 139 integer-sided triangles with 6*area = perimeter, with terms 70, 77, 112, 126, 152, 182, 205, 260, 513, and 798 corresponding to pairs, and terms 203 to triples of such triangles with different sides. %H A332926 Hugo Pfoertner, <a href="/A332926/b332926.txt">Table of n, a(n) for n = 1..139</a> %Y A332926 The terms of A332879, divided by 12, are all terms of this sequence, but omitting distinct triangles with identical perimeters. %Y A332926 Cf. A007237, A289155, A289156. %K A332926 nonn,fini,full %O A332926 1,1 %A A332926 _Hugo Pfoertner_, Mar 02 2020