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A264680 Number of (5+1)X(n+1) arrays of permutations of 0..n*6+5 with each element having directed index change -1,-1 1,0 -1,-2 -2,-2 or 0,1.

%I A264680 #4 Nov 20 2015 19:56:00
%S A264680 1,44,603,6851,123222,2025372,29875350,436294812,6478725972,
%T A264680 95858657256,1406076314579,20604755924271,302274882992297,
%U A264680 4432087245361391,64934929110247763,951285313173076076,13937110096540031221
%N A264680 Number of (5+1)X(n+1) arrays of permutations of 0..n*6+5 with each element having directed index change -1,-1 1,0 -1,-2 -2,-2 or 0,1.
%C A264680 Row 5 of A264676.
%H A264680 R. H. Hardin, <a href="/A264680/b264680.txt">Table of n, a(n) for n = 1..210</a>
%e A264680 Some solutions for n=4
%e A264680 ..6.13..1..2..3....7..8..1..2..3...12..8..1..9..3....6..0..1..9..3
%e A264680 ..0.12.19..7..4....0..5..6.14..4....0..5..2..7..4...11..5..2.14..4
%e A264680 ..5.18.11..8..9...17.10.11.12..9...16..6.11.19.13...17.10..7..8.13
%e A264680 .10.15.24.17.14...21.15.24.13.18...10.22.29.17.14...27.22.12.24.18
%e A264680 .26.16.21.29.23...27.16.29.22.19...15.28.21.18.23...15.16.21.29.19
%e A264680 .20.25.22.27.28...20.25.26.23.28...20.25.26.27.24...20.25.26.23.28
%Y A264680 Cf. A264676.
%K A264680 nonn
%O A264680 1,2
%A A264680 _R. H. Hardin_, Nov 20 2015