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 A194133 #8 Dec 09 2017 03:57:14 %S A194133 0,0,0,39,792,7587,43836,194013,696765,2145687,5851044,14546412, %T A194133 33347130,71662911,145616964,281816991,522786390,935155011,1618729257, %U A194133 2722297371,4459330956,7133246976,11168002962,17149002624,25863493314,38369771853 %N A194133 Number of ways to arrange 5 indistinguishable points on an n X n X n triangular grid so that no three points are collinear at any angle. %C A194133 Column 5 of A194136. %H A194133 R. H. Hardin, <a href="/A194133/b194133.txt">Table of n, a(n) for n = 1..42</a> %e A194133 Some solutions for 4 X 4 X 4: %e A194133 .....1........0........0........1........0........0........0........1 %e A194133 ....0.1......1.0......0.1......0.0......1.1......0.1......0.1......1.0 %e A194133 ...0.1.0....0.1.1....1.0.1....1.1.0....1.0.1....1.1.0....0.1.1....0.1.0 %e A194133 ..1.0.1.0..0.1.0.1..1.0.1.0..0.1.0.1..0.1.0.0..1.0.0.1..1.0.1.0..0.1.0.1 %K A194133 nonn %O A194133 1,4 %A A194133 _R. H. Hardin_, Aug 17 2011