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 A097126 #11 May 25 2015 09:26:54 %S A097126 1,6,56,336,1840,7925,29183,91621,256546,648697,1508107,3267671, %T A097126 6679409,12957976,24015317,42810244,73793984,123240964,200260099, %U A097126 317487746,492199068,747720800,1115115145,1634875673,2360312092,3358519981,4716186332,6541418450 %N A097126 Number of noncongruent integer-sided 4-dimensional simplices with largest side n. %H A097126 N. J. A. Sloane, <a href="/A097126/b097126.txt">Table of n, a(n) for n = 1..52</a> [Extracted from the Kurz link] %H A097126 Sascha Kurz, <a href="https://cs.uwaterloo.ca/journals/JIS/VOL10/Kurz/kurz3.html">Enumeration of integral tetrahedra</a>, J. Integer Seqs., 10 (2007), # 07.9.3. %H A097126 Sascha Kurz, <a href="http://arXiv.org/abs/0804.1310">Enumeration of integral tetrahedra</a>, arXiv:0804.1310 [math.CO], 2008. %Y A097126 Cf. A002620, A097125, A097127. %K A097126 nonn %O A097126 1,2 %A A097126 _Sascha Kurz_, Jul 26 2004