%I #6 Nov 10 2015 12:16:58
%S 547,41035,4213002,362159570,30867389241,2543460828164,
%T 206581153730159,16572337392178369,1318639365847533759,
%U 104272166323846221854,8207516654911011254296,643763147421954338071019
%N Number of (6+1)X(n+1) arrays of permutations of 0..n*7+6 filled by rows with each element moved a city block distance of 0 or 1, and rows and columns in increasing lexicographic order.
%C Row 6 of A263519.
%H R. H. Hardin, <a href="/A263524/b263524.txt">Table of n, a(n) for n = 1..185</a>
%e Some solutions for n=2
%e ..0..1..5....0..4..5....0..1..2....0..4..5....0..1..2....0..1..2....0..1..5
%e ..3..4..2....3..1..2....6..3..5....3..1..2....6..3..5....4..3..5....4..3..2
%e ..6..7..8....7..6..8....7..4..8....7..6..8....7..4..8....6..7.11....6..8..7
%e ..9.13.14....9.11.10...10..9.11....9.11.10....9.11.10....9.10..8....9.10.11
%e .12.10.11...15.12.17...12.14.17...15.12.14...15.12.13...13.12.14...12.13.17
%e .18.15.17...16.13.14...15.13.20...18.13.16...16.17.14...16.15.17...16.15.14
%e .19.16.20...18.19.20...18.16.19...19.20.17...18.19.20...19.18.20...19.18.20
%Y Cf. A263519.
%K nonn
%O 1,1
%A _R. H. Hardin_, Oct 19 2015