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 A264269 #6 Nov 10 2015 11:31:16 %S A264269 169,6400,443556,25806400,1608491236,98054154496,6027088830169, %T A264269 369450492999025,22668952280018641,1390477924568678400, %U A264269 85299475440342309169,5232533604703646465169,320983989238338461532025 %N A264269 Number of (n+1)X(5+1) arrays of permutations of 0..n*6+5 with each element having index change +-(.,.) 0,0 1,0 or 1,2. %C A264269 Column 5 of A264272. %H A264269 R. H. Hardin, <a href="/A264269/b264269.txt">Table of n, a(n) for n = 1..210</a> %H A264269 R. H. Hardin, <a href="/A264269/a264269.txt">Empirical recurrence of order 96</a> %F A264269 Empirical recurrence of order 96 (see link above) %e A264269 Some solutions for n=2 %e A264269 ..8..7..2.11..4..5....0..7.10..3..4..5....0..9..8.11..4..5....0..1..2..3.10..5 %e A264269 ..0.15.14..1.10..3....6.15.14..1..2.17...12..1..2.15.16..3...14..7.16.15..4.17 %e A264269 .12.13..6..9.16.17...12.13..8..9.16.11....6.13.14..7.10.17...12.13..6..9..8.11 %Y A264269 Cf. A264272. %K A264269 nonn %O A264269 1,1 %A A264269 _R. H. Hardin_, Nov 10 2015