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A264385 Number of (7+1)X(n+1) arrays of permutations of 0..n*8+7 with each element having directed index change 2,-2 -1,0 -1,2 1,0 or 0,-1.

%I A264385 #4 Nov 12 2015 08:06:08
%S A264385 1,1343,156293,11888603,1363452981,149731056598,16353452350876,
%T A264385 1735328063172744,188810032043800381,20288902506786356394,
%U A264385 2189915587683013427440,235922552838031495595870
%N A264385 Number of (7+1)X(n+1) arrays of permutations of 0..n*8+7 with each element having directed index change 2,-2 -1,0 -1,2 1,0 or 0,-1.
%C A264385 Row 7 of A264379.
%H A264385 R. H. Hardin, <a href="/A264385/b264385.txt">Table of n, a(n) for n = 1..33</a>
%e A264385 Some solutions for n=3
%e A264385 ..4..5..3..7....1..5..6..7....4..2..6..7....1..2..6..7....1..2..4..5
%e A264385 ..0..1..2..9....0..9..2..3....0..1..8..3....0..9.10..3....0..9..8..3
%e A264385 .12.10..6.15....4.10.14.13....9..5.12.13....4..5.12.13...12.10..6..7
%e A264385 ..8.14.16.11....8.17.16.11...16.14.10.17....8.17.15.11...13.14.18.11
%e A264385 .20.13.19.23...12.21.20.15...20.11.22.23...20.18.14.21...17.21.20.15
%e A264385 .21.17.18.25...24.22.23.25...21.15.18.19...16.25.23.19...16.22.26.25
%e A264385 .28.29.22.31...18.19.28.31...28.29.30.31...28.26.22.29...28.19.30.29
%e A264385 .24.30.26.27...29.30.26.27...24.25.26.27...24.30.31.27...24.23.31.27
%Y A264385 Cf. A264379.
%K A264385 nonn
%O A264385 1,2
%A A264385 _R. H. Hardin_, Nov 12 2015