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A263524 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.

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