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A264426 Number of (5+1)X(n+1) arrays of permutations of 0..n*6+5 with each element having directed index change 0,1 2,2 1,0 -1,2 -2,-1 or -1,-1.

%I A264426 #4 Nov 12 2015 23:04:37
%S A264426 1,351,4843,137584,4023076,95946259,2486418295,64826165535,
%T A264426 1652429011909,42508454066939,1094317644738425,28099100591929747,
%U A264426 722286772733295541,18567899507526341784,477183716427656944275,12264894190427166009575
%N A264426 Number of (5+1)X(n+1) arrays of permutations of 0..n*6+5 with each element having directed index change 0,1 2,2 1,0 -1,2 -2,-1 or -1,-1.
%C A264426 Row 5 of A264422.
%H A264426 R. H. Hardin, <a href="/A264426/b264426.txt">Table of n, a(n) for n = 1..137</a>
%e A264426 Some solutions for n=4
%e A264426 .11.12..8..9..7....6..0..8..9..7....6.12..8..2..3...11..0..8..9..3
%e A264426 ..0..1.13..3..4...16..1..2..3..4...11..1.13..7..4...16..1.13..7..4
%e A264426 .16..6.18.24..2....5.22.18.24.13...16.10..0.24..9....5..6.18.12..2
%e A264426 .10.22..5.17.14...10.11.12.17.14...21.15..5.29.14...21.22.28.24.14
%e A264426 .15.27.25.29.19...15.27.21.29.19...26.27.28.18.19...15.27.10.29.19
%e A264426 .20.21.26.23.28...20.25.26.23.28...20.25.22.23.17...20.25.26.23.17
%Y A264426 Cf. A264422.
%K A264426 nonn
%O A264426 1,2
%A A264426 _R. H. Hardin_, Nov 12 2015