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%I #6 Nov 10 2015 12:17:21
%S 1575,240237,53712998,9866744449,1805523575884,319022980139204,
%T 55588636099730695,9567638169477949121,1633596504493958096947,
%U 277222641856926258001248,46832138508130606828637749
%N Number of (7+1)X(n+1) arrays of permutations of 0..n*8+7 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 7 of A263519.
%H R. H. Hardin, <a href="/A263525/b263525.txt">Table of n, a(n) for n = 1..96</a>
%e Some solutions for n=1
%e ..0..1....0..1....0..1....0..1....0..1....0..1....0..1....0..1....0..1....0..1
%e ..4..2....2..5....4..2....4..2....3..2....3..2....2..5....3..2....3..2....2..3
%e ..5..3....4..3....6..3....5..3....4..5....4..5....4..3....4..7....5..4....5..4
%e ..6..9....6..7....7..5....6..7....6..9....6..7....6..7....6..5....8..6....6..7
%e ..8..7....8..9....8..9...10..8....8..7....8.11...10..8....8..9....9..7....9..8
%e .10.11...10.11...12.10...11..9...11.10...10..9...12..9...10.11...10.11...10.11
%e .12.13...13.12...13.11...12.13...13.12...12.15...13.11...13.12...13.12...12.13
%e .15.14...14.15...15.14...14.15...15.14...14.13...15.14...15.14...14.15...14.15
%Y Cf. A263519.
%K nonn
%O 1,1
%A _R. H. Hardin_, Oct 19 2015
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