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 A264064 #5 Nov 10 2015 10:59:53 %S A264064 1,832,692224,74880000,8100000000,1869178500000,431336822822500 %N A264064 Number of (7+1)X(n+1) arrays of permutations of 0..n*8+7 with each element having index change +-(.,.) 0,0 1,2 or 2,-2. %C A264064 Row 7 of A264059. %e A264064 Some solutions for n=2 %e A264064 ..0..1..2....5..1..2....5..1..2....0..1..2....0..1..6....0..1..2....5..1..2 %e A264064 ..3..4..5....3..4..0....8..4..0....3..4..5....3..4..9....3..4..5....8..4..0 %e A264064 ..6..7.12...11..7..8...11..7..3....6..7.12....2..7..8...11..7..8...11..7..3 %e A264064 ..9.10.11....9.10..6....9.10..6...14.10.15....5.10.11....9.10..6...14.10..6 %e A264064 ..8.13.14...17.13.14...12.13.14....8.13..9...17.13.14...12.13.14...12.13..9 %e A264064 .15.16.21...15.16.12...15.16.17...11.16.17...15.16.12...20.16.21...20.16.21 %e A264064 .23.19.20...23.19.20...18.19.20...23.19.20...18.19.20...18.19.15...18.19.15 %e A264064 .17.22.18...21.22.18...21.22.23...21.22.18...21.22.23...17.22.23...17.22.23 %Y A264064 Cf. A264059. %K A264064 nonn %O A264064 1,2 %A A264064 _R. H. Hardin_, Nov 02 2015