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A264420 Number of (n+1)X(5+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 A264420 #4 Nov 12 2015 23:00:20
%S A264420 4,119,2681,101862,4023076,147984724,5498758183,201733617932,
%T A264420 7423226389478,272586759114218,10017280306174267,368272005900678107,
%U A264420 13531455789624669204,497163630139105690695,18268217310170065817424
%N A264420 Number of (n+1)X(5+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 A264420 Column 5 of A264422.
%H A264420 R. H. Hardin, <a href="/A264420/b264420.txt">Table of n, a(n) for n = 1..46</a>
%e A264420 Some solutions for n=4
%e A264420 ..7..8.15.16.17..4....7..8..6.10.17..4....7..0..1.10.11..4....7..0.15.10..3..4
%e A264420 ..0.14..2..3..9..5....0..1..2..3.23..5...19.14..2.16.23..5...19.20..2.16.17..5
%e A264420 .19.20.21..1.10.11...19.20.21..9.29.11....6.26..8..9.15..3....6.26.27..1.29.11
%e A264420 .12.13..6.28.29.22...25.26.14.28.16.27...12.13.27.25.29.17...12.13.14.28..8..9
%e A264420 .18.24.25.26.27.23...18.24.12.13.22.15...18.24.20.21.22.28...18.24.25.21.22.23
%Y A264420 Cf. A264422.
%K A264420 nonn
%O A264420 1,1
%A A264420 _R. H. Hardin_, Nov 12 2015