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 A264146 #5 Nov 10 2015 11:18:00 %S A264146 64,9261,1440000,117534144,12968882161,1376159333484,147813083354689, %T A264146 15629429778886656,1668183383627274240,177524398873895731200, %U A264146 18903690233550713749504 %N A264146 Number of (6+1)X(n+1) arrays of permutations of 0..n*7+6 with each element having index change +-(.,.) 0,0 1,-2 or 1,1. %C A264146 Row 6 of A264142. %e A264146 Some solutions for n=2 %e A264146 ..4..5..2....0..1..3....0..5..3....0..1..3....4..5..2....0..1..2....4..5..2 %e A264146 ..7..0..1....2..8..5....2..4..1....2..4..5....3..0..1....3..8..6....3..0..1 %e A264146 ..6..3..9....6..7..4....6..7..8....6..7..8...10.11..8....5..7..4....6..7..9 %e A264146 ..8.10.11...13.10.11....9.14.12....9.10.11....9..6..7....9.10.12....8.14.11 %e A264146 .16.13.14...12..9.14...11.17.10...12.13.15...16.13.14...11.17.14...12.17.10 %e A264146 .19.12.17...15.16.18...19.16.13...14.20.17...19.12.18...19.20.13...15.16.13 %e A264146 .18.15.20...17.19.20...18.15.20...18.19.16...17.15.20...18.15.16...18.19.20 %Y A264146 Cf. A264142. %K A264146 nonn %O A264146 1,1 %A A264146 _R. H. Hardin_, Nov 04 2015