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A206755 Number of (n+1)X3 0..2 arrays with every 2X3 or 3X2 subblock having no more than three equal edges, and new values 0..2 introduced in row major order 1

%I #5 Mar 31 2012 12:37:12

%S 106,2187,46860,1002015,21403411,457325164,9771502433,208781853511,

%T 4460929715062,95314283208603,2036528732366433,43513408950473466,

%U 929727495885160693,19864984988374035589,424444399488287893292

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

%C Column 2 of A206761

%H R. H. Hardin, <a href="/A206755/b206755.txt">Table of n, a(n) for n = 1..210</a>

%F Empirical: a(n) = 16*a(n-1) +86*a(n-2) +577*a(n-3) +694*a(n-4) +1376*a(n-5) -823*a(n-6) +136*a(n-7) -2266*a(n-8) -461*a(n-9) -1230*a(n-10)

%e Some solutions for n=4

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 12 2012

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Last modified April 25 01:06 EDT 2024. Contains 371964 sequences. (Running on oeis4.)