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 A297799 #6 Mar 10 2022 20:42:10 %S A297799 1,38,293,2195,23781,231921,2174696,21427001,209042911,2021157679, %T A297799 19682772781,191557167338,1861109483653,18099645301193, %U A297799 176029730537879,1711498855651503,16642558124209570,161835924673053199 %N A297799 Number of n X 5 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2, 3 or 5 neighboring 1's. %C A297799 Column 5 of A297802. %H A297799 R. H. Hardin, <a href="/A297799/b297799.txt">Table of n, a(n) for n = 1..210</a> %H A297799 R. H. Hardin, <a href="/A297799/a297799.txt">Empirical recurrence of order 95</a> %F A297799 Empirical recurrence of order 95 (see link above). %e A297799 Some solutions for n=5 %e A297799 ..1..1..1..1..0. .1..1..1..1..0. .0..1..0..1..0. .0..0..0..0..0 %e A297799 ..0..1..1..0..0. .0..1..1..0..0. .1..1..1..1..1. .0..0..1..1..0 %e A297799 ..0..0..0..0..0. .0..0..0..0..0. .0..1..0..0..1. .0..1..0..0..1 %e A297799 ..1..1..1..0..0. .1..1..0..0..0. .1..1..0..1..0. .0..1..1..1..1 %e A297799 ..0..1..0..0..0. .1..1..1..0..0. .0..0..1..1..1. .1..1..0..1..0 %Y A297799 Cf. A297802. %K A297799 nonn %O A297799 1,2 %A A297799 _R. H. Hardin_, Jan 06 2018