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Number of (n+1)X7 0..2 arrays with every 2X3 or 3X2 subblock having no more than four equal edges, and new values 0..2 introduced in row major order

1

`%I #5 Mar 31 2012 12:37:12
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`%S 782246,1649819344,3486207195767,7365962082764193,
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`%T 15563412880264965921,32883690237686565806902,
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`%U 69479426940659354584343140,146801978229825187395072986335,310175569456316609985253179357234
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`%N Number of (n+1)X7 0..2 arrays with every 2X3 or 3X2 subblock having no more than four equal edges, and new values 0..2 introduced in row major order
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`%C Column 6 of A206635
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`%H R. H. Hardin, <a href="/A206633/b206633.txt">Table of n, a(n) for n = 1..193</a>
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`%e Some solutions for n=4
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`%e ..0..0..0..1..2..1..2....0..0..0..0..1..0..0....0..0..1..0..0..0..2
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`%e ..0..0..1..0..2..0..1....2..0..0..1..2..0..0....2..1..2..0..0..2..0
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`%e ..2..0..1..0..0..2..1....1..1..1..0..1..2..2....0..2..2..2..1..1..0
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`%e ..1..2..0..0..1..2..2....1..0..1..1..0..0..2....2..2..0..1..0..1..2
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`%e ..2..1..2..1..0..2..2....0..0..0..0..1..1..0....0..2..1..0..2..0..1
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`%K nonn
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`%O 1,1
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`%A _R. H. Hardin_ Feb 10 2012
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