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 A214242 #6 Jul 22 2025 23:13:57 %S A214242 500,133265,188834753,283323771619,454598044684573,735065997384027490, %T A214242 1191956056605733224970,1933735654180883217309866, %U A214242 3137566396458291909863153764,5090964223672513286041089637863 %N A214242 Number of 0..7 colorings of a 4X(n+1) array circular in the n+1 direction with new values 0..7 introduced in row major order. %C A214242 Row 4 of A214238 %H A214242 R. H. Hardin, <a href="/A214242/b214242.txt">Table of n, a(n) for n = 1..99</a> %e A214242 Some solutions for n=4 %e A214242 ..0..1..0..1..2....0..1..0..1..2....0..1..2..1..2....0..1..0..1..2 %e A214242 ..2..3..4..2..0....1..2..1..0..3....1..2..0..2..0....1..0..1..0..3 %e A214242 ..3..2..0..3..2....0..1..0..1..2....0..3..2..0..4....2..1..2..3..0 %e A214242 ..0..1..2..4..1....2..3..1..0..1....3..5..4..1..5....0..2..0..1..3 %K A214242 nonn %O A214242 1,1 %A A214242 _R. H. Hardin_ Jul 08 2012