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 A264062 #5 Nov 10 2015 10:59:03 %S A264062 1,125,15625,450000,12960000,608212800,28543426704,1182858335568, %T A264062 49018425731856,2119255344115812,91623571065536449, %U A264062 3925600962291584977,168191904505904029921,7232349156077380791312 %N A264062 Number of (5+1)X(n+1) arrays of permutations of 0..n*6+5 with each element having index change +-(.,.) 0,0 1,2 or 2,-2. %C A264062 Row 5 of A264059. %e A264062 Some solutions for n=3 %e A264062 ..6..1..2..3....6..1..2..9....6..7..2..3....6..7..2..3....6..1..2..3 %e A264062 ..4..5..0..7...10..5..0..7....4.11..0..1...10..5..0..1...10..5..0..7 %e A264062 .14..9.10.11...14..3..4.11...14..9.10..5....8..9..4.17....8.15..4.17 %e A264062 .12.19..8.21...18.19..8.15...18.19..8.21...12.19.14.15...12.19.20..9 %e A264062 .16.17.18.13...22.17.12.13...16.23.12.13...16.11.18.13...16.11.18.13 %e A264062 .20.15.22.23...20.21.16.23...20.15.22.17...20.21.22.23...14.21.22.23 %Y A264062 Cf. A264059. %K A264062 nonn %O A264062 1,2 %A A264062 _R. H. Hardin_, Nov 02 2015