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%I #5 Nov 10 2015 11:57:46
%S 21,3897,243881,23471441,2448948509,240749059561,24147725322385,
%T 2442157152192853,247183118093226721,25071873547312991221,
%U 2544178152383033238169,258242305061196701371469
%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 1,1 0,-1 -1,1 or 0,-2.
%C Row 6 of A264244.
%e Some solutions for n=2
%e ..0..3..2....1..2..4....0..1..2....0..1..2....0..1..2....0..3..2....0..3..2
%e ..4..5..1....3..0..5....3..4..5....3..4..5....4..6..5....5..6..1....5..6..1
%e ..6..7..8....8..7.10....7..9..8....6..9..8....7..3..8....8..7..4....8..7..4
%e ..9.12.11....9..6.11...11..6.13...11.12..7...10.11.13....9.12.11....9.12.11
%e .13.14.10...12.15.14...12.14.10...14.15.10...12..9.14...14.13.10...14.13.10
%e .15.18.17...17.18.13...15.17.19...17.16.13...15.18.17...17.18.19...16.17.19
%e .20.19.16...19.20.16...18.20.16...18.19.20...19.20.16...20.15.16...18.15.20
%Y Cf. A264244.
%K nonn
%O 1,1
%A _R. H. Hardin_, Nov 09 2015
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