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%I #4 Nov 18 2015 20:38:52
%S 0,32,68,2144,24370,314166,5469993,64600334,955403058,13661638720,
%T 185175540228,2656056376960,36969206131784,519570569882576,
%U 7317721679276528,102400168976291216,1439810847531011376
%N Number of (6+1)X(n+1) arrays of permutations of 0..n*7+6 with each element having directed index change 1,0 0,-1 1,2 or -1,1.
%C Row 6 of A264583.
%H R. H. Hardin, <a href="/A264589/b264589.txt">Table of n, a(n) for n = 1..49</a>
%e Some solutions for n=4
%e ..1..5..3..4..8....1..5..3..4..8....1..5..3..7..8....1..5..6..4..8
%e ..0..7..2.12.13....0..7..2..9.13....0.10..2.12..4....0.10..2..3.13
%e .11..6.16.14..9...11.12.16..6.18...11..6.13.14..9...11.12..7.14..9
%e .10.20.18.19.23...10.20.21.19.14...16.17.18.22.23...16.17.18.19.23
%e .15.22.17.27.28...15.25.17.27.28...15.25.26.24.19...21.25.15.24.28
%e .26.30.31.21.24...26.30.22.23.24...20.30.28.21.33...26.30.20.29.22
%e .25.32.33.34.29...31.32.33.34.29...31.32.27.34.29...31.32.33.34.27
%Y Cf. A264583.
%K nonn
%O 1,2
%A _R. H. Hardin_, Nov 18 2015
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