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 A264276 #6 Nov 10 2015 11:34:02 %S A264276 169,10933,707281,33729146,1608491236,80568542340,4035639032100, %T A264276 200983996390320,10009459836154944,498478049285216352, %U A264276 24824552941574755216,1236574408590216008500,61596930731403632640625 %N A264276 Number of (5+1)X(n+1) arrays of permutations of 0..n*6+5 with each element having index change +-(.,.) 0,0 1,0 or 1,2. %C A264276 Row 5 of A264272. %H A264276 R. H. Hardin, <a href="/A264276/b264276.txt">Table of n, a(n) for n = 1..210</a> %e A264276 Some solutions for n=2 %e A264276 ..3..1..2....3..1..5....5..4..2....5..1..2....3..1..2....0..4..2....5..4..2 %e A264276 ..0..4..5....0..4..2....3..1..0....6..7..0....0..4..8....3..1..8....6..1..0 %e A264276 ..6.10..8....6..7..8....6.10.11...11..4..3....9.10..5....9..7..5....3.10.11 %e A264276 ..9..7.11....9.10.11....9..7..8...14.10..8....6..7.11....6.13.14....9..7..8 %e A264276 .15.13.14...15.13.14...15.16.17...12.13..9...12.13.17...17.10.11...12.16.14 %e A264276 .12.16.17...12.16.17...12.13.14...15.16.17...15.16.14...15.16.12...15.13.17 %Y A264276 Cf. A264272. %K A264276 nonn %O A264276 1,1 %A A264276 _R. H. Hardin_, Nov 10 2015