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 A296314 #7 Apr 19 2020 23:53:01 %S A296314 1,6,32,434,12547,676269,78105580,18043360170,8435284786616, %T A296314 8062065704707386,15602483060688719807,61357587200669343827967, %U A296314 490367520450812937863879738,7957358933563948031830555664333 %N A296314 Number of n X n 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 1 neighboring 1. %C A296314 Diagonal of A296320. %H A296314 R. H. Hardin, <a href="/A296314/b296314.txt">Table of n, a(n) for n = 1..16</a> %e A296314 Some solutions for n=5 %e A296314 ..1..1..0..1..0. .1..0..0..0..0. .0..0..0..0..0. .0..0..0..1..0 %e A296314 ..0..0..0..1..0. .1..0..0..1..1. .1..0..0..1..0. .0..0..1..0..1 %e A296314 ..0..0..0..0..0. .0..0..0..0..0. .1..0..1..0..0. .0..0..0..1..0 %e A296314 ..1..0..1..1..0. .1..0..1..1..0. .0..0..0..1..0. .1..0..0..0..1 %e A296314 ..1..0..0..0..0. .1..0..0..0..0. .1..1..0..1..0. .1..0..0..1..0 %Y A296314 Cf. A296320. %K A296314 nonn %O A296314 1,2 %A A296314 _R. H. Hardin_, Dec 10 2017