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%I #5 Mar 31 2012 12:37:16
%S 61,3721,100997,3447649,115679881,3814387801,125372637881,
%T 4126073501121,135963448993769,4480839360430545,147644379170646697,
%U 4864581400227966369,160280548163611896153,5281079669610169252337,174006141329285345485257
%N Number of nX4 0..2 arrays avoiding the patterns z z+1 z or z z-1 z in any row, column or nw-se diagonal
%C Column 4 of A207228
%H R. H. Hardin, <a href="/A207224/b207224.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=4
%e ..1..0..2..0....2..0..2..1....2..2..1..0....0..2..2..2....2..2..2..1
%e ..1..0..0..0....1..1..1..0....2..1..0..0....1..1..0..2....2..1..0..2
%e ..2..1..0..0....0..1..1..2....1..1..0..0....2..0..1..1....2..0..0..2
%e ..2..1..0..0....0..0..0..2....0..1..1..2....2..2..2..0....1..0..2..2
%K nonn
%O 1,1
%A _R. H. Hardin_ Feb 16 2012
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