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%I #5 Nov 10 2015 11:43:46
%S 441,133836,14973263,1511983080,181148689096,21168809029549,
%T 2432712841059645,282324948756028527,32799974867595442968,
%U 3805691907386472699393,441780492510292572147920
%N Number of (6+1)X(n+1) arrays of permutations of 0..n*7+6 with each element having directed index change 0,0 0,1 1,0 -1,0 or 0,-2.
%C Row 6 of A264217.
%e Some solutions for n=2
%e ..0..1..2....0..1..5....3..4..2....0..1..5....0..1..2....0..4..2....0..1..2
%e ..5..3..4....3..4..2....0..1..5....3..4..2....3..4..5....6..1..5....5..7..4
%e ..8..6..7....6.10..7....9..7..8....6.10..8....9..7.11....3..7..8....3.10..8
%e .11.10.14...11..9..8....6.10.11....9..7.11....6.13..8...12..9.10....6..9.14
%e ..9.12.13...12.13.14...15.13.14...12.13.14...12.10.14...14.16.11...12.16.11
%e .17.19.16...18.16.17...12.16.17...18.19.20...17.16.20...15.13.20...15.13.20
%e .15.18.20...15.19.20...20.18.19...15.16.17...15.18.19...18.19.17...18.19.17
%Y Cf. A264217.
%K nonn
%O 1,1
%A _R. H. Hardin_, Nov 08 2015
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