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A206633 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

%S 782246,1649819344,3486207195767,7365962082764193,

%T 15563412880264965921,32883690237686565806902,

%U 69479426940659354584343140,146801978229825187395072986335,310175569456316609985253179357234

%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

%C Column 6 of A206635

%H R. H. Hardin, <a href="/A206633/b206633.txt">Table of n, a(n) for n = 1..193</a>

%e Some solutions for n=4

%e ..0..0..0..1..2..1..2....0..0..0..0..1..0..0....0..0..1..0..0..0..2

%e ..0..0..1..0..2..0..1....2..0..0..1..2..0..0....2..1..2..0..0..2..0

%e ..2..0..1..0..0..2..1....1..1..1..0..1..2..2....0..2..2..2..1..1..0

%e ..1..2..0..0..1..2..2....1..0..1..1..0..0..2....2..2..0..1..0..1..2

%e ..2..1..2..1..0..2..2....0..0..0..0..1..1..0....0..2..1..0..2..0..1

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 10 2012

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Last modified April 16 18:12 EDT 2024. Contains 371750 sequences. (Running on oeis4.)