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%I #6 Nov 10 2015 11:43:04
%S 64,3610,97520,2407816,68008846,1883268032,51345531360,1411162065495,
%T 38813397148320,1066027094762736,29288688616590792,804848533573703464,
%U 22115072006086377880,607663815006822489585,16697331537936058632432
%N Number of (4+1)X(n+1) arrays of permutations of 0..n*5+4 with each element having directed index change 0,0 0,1 1,0 -1,0 or 0,-2.
%C Row 4 of A264217.
%H R. H. Hardin, <a href="/A264221/b264221.txt">Table of n, a(n) for n = 1..183</a>
%e Some solutions for n=3
%e ..0..3..1..2....0..1..2..7....4..5..6..3....2..0..1..3....2..0..1..7
%e ..8..7..5.11....6..4..5..3....0..1..2..7....4..9..6.11....8..9..6..3
%e ..4..9..6.10....8..9.10.15....8.11..9.10....8..5.10..7....4..5.10.11
%e .12.15.13.14...16.13.18.11...16.15.13.14...16.17.14.15...14.13.18.19
%e .16.17.18.19...12.17.14.19...12.17.18.19...12.13.18.19...12.16.17.15
%Y Cf. A264217.
%K nonn
%O 1,1
%A _R. H. Hardin_, Nov 08 2015
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