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%I #4 Nov 20 2015 19:51:18
%S 3,588,17443,714235,29875350,1095840260,40765995197,1494347569074,
%T 54204721906375,1966753578705875,71178721732614714,
%U 2573134003964620565,93001271214814999684,3360101883867911885437,121381797022850227205242
%N Number of (n+1)X(7+1) arrays of permutations of 0..n*8+7 with each element having directed index change -1,-1 1,0 -1,-2 -2,-2 or 0,1.
%C Column 7 of A264676.
%H R. H. Hardin, <a href="/A264675/b264675.txt">Table of n, a(n) for n = 1..45</a>
%e Some solutions for n=3
%e .18..0.12..2..3.14..5..6...10..0..1.13..3..4..5..6...10..0.12..2..3..4..5..6
%e .17..1..9.10..4.22.13..7...17.18..2.21.22.12.23..7...26..1.20.21.11.23.13..7
%e ..8.27.28.11.19.30.31.15....8..9.27.11.19.31.14.15....8..9.17.18.29.31.14.15
%e .16.24.25.26.20.21.29.23...16.24.25.26.20.28.29.30...16.24.25.19.27.28.22.30
%Y Cf. A264676.
%K nonn
%O 1,1
%A _R. H. Hardin_, Nov 20 2015
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