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 A146505 #4 Dec 18 2015 18:17:14 %S A146505 0,0,10016,1836316,343374056,53152847310,1848921431172,27886760910447 %N A146505 Number of n X n arrays of squares of integers summing to 17 with every element equal to at least one neighbor. %K A146505 nonn %O A146505 2,3 %A A146505 _R. H. Hardin_ Apr 14 2009