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 A214243 #6 Jul 22 2025 23:14:04 %S A214243 10867,24424881,253155125338,2440058302217191,24340562361200808002, %T A214243 242410394867671035718980,2416270345816147538500406891, %U A214243 24083411126050352415186349035621,240049352668331592562468551385063287 %N A214243 Number of 0..7 colorings of a 5X(n+1) array circular in the n+1 direction with new values 0..7 introduced in row major order. %C A214243 Row 5 of A214238 %H A214243 R. H. Hardin, <a href="/A214243/b214243.txt">Table of n, a(n) for n = 1..13</a> %e A214243 Some solutions for n=4 %e A214243 ..0..1..0..1..2....0..1..0..2..1....0..1..0..1..2....0..1..0..1..2 %e A214243 ..1..0..1..2..3....1..0..1..3..0....2..3..4..2..0....2..0..1..3..0 %e A214243 ..0..2..3..4..1....2..1..2..0..1....3..2..0..3..2....3..1..2..4..5 %e A214243 ..5..1..2..6..2....1..4..3..1..3....0..1..2..4..1....0..4..0..3..6 %e A214243 ..2..7..0..5..3....4..0..2..3..1....1..2..5..3..2....4..6..7..6..7 %K A214243 nonn %O A214243 1,1 %A A214243 _R. H. Hardin_ Jul 08 2012