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 A214235 #6 Jul 22 2025 23:13:24 %S A214235 41,231799,8769708263,454598044684573,24340562361200808002, %T A214235 1307490178218113697721117,70256870496804630099054887990, %U A214235 3775319498973952149349857787464031 %N A214235 Number of 0..7 colorings of an nX6 array circular in the 6 direction with new values 0..7 introduced in row major order. %C A214235 Column 5 of A214238 %H A214235 R. H. Hardin, <a href="/A214235/b214235.txt">Table of n, a(n) for n = 1..20</a> %e A214235 Some solutions for n=4 %e A214235 ..0..1..0..1..2..1....0..1..0..1..0..1....0..1..0..1..0..1....0..1..0..1..0..1 %e A214235 ..1..0..3..4..0..2....1..2..1..0..1..0....1..2..1..0..1..3....2..0..1..3..1..0 %e A214235 ..0..1..4..2..3..5....0..3..2..3..0..1....0..3..0..1..0..1....0..1..0..1..0..1 %e A214235 ..1..6..5..1..0..2....1..2..1..4..5..2....4..5..4..5..6..0....1..0..1..2..1..0 %K A214235 nonn %O A214235 1,1 %A A214235 _R. H. Hardin_ Jul 08 2012