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 A114595 #9 Dec 19 2014 08:17:58 %S A114595 1,4,6,4,9,24,48,60,30,16,60,192,480,840,840,336,25,120,520,1920,5700, %T A114595 12600,18480,15120,5040,36,210,1140,5520,22920,78120,206640,393120, %U A114595 483840,332640,95040 %N A114595 Triangle of the numbers of unique-valued sequences of all lengths (from 1 to 2n-1) consisting of unit matrices (="matrix units") of order n. %C A114595 First entry of each row is obviously n^2 and the last entries of each row are the terms of A001761. %H A114595 A. Blazhevski and P. Sokoloski, <a href="http://www.institutzamatematika.com/images/6/64/BB07.1.pdf">Conceptual Introduction to Unique-valued Sequences</a>, Proceedings of the III Congress of Mathematicians of Macedonia (2005), preprint. %H A114595 Aleksandar Blazhevski - Cane, <a href="http://cane.roxr.com/Nauka/UVS/A114595.TXT">First 10 rows</a> [Broken link] %e A114595 T(n,1) = a(n^2 - 2n) = n^2. %Y A114595 Cf. A097635, A001761. %K A114595 nonn,tabl %O A114595 1,2 %A A114595 Aleksandar Blazhevski - Cane (CaneB(AT)MT.Net.Mk), Dec 12 2005