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A210171 Number of (n+1)X6 0..3 arrays containing all values 0..3 with every 2X2 subblock having two or four distinct values, and new values 0..3 introduced in row major order 1

%I

%S 7545,679253,55406625,4397691548,343737526300,26640186018717,

%T 2054059689574097,157885132526126296,12112997279818925338,

%U 928256678269308585687,71086500262054721658815,5441614895591983767635526

%N Number of (n+1)X6 0..3 arrays containing all values 0..3 with every 2X2 subblock having two or four distinct values, and new values 0..3 introduced in row major order

%C Column 5 of A210174

%H R. H. Hardin, <a href="/A210171/b210171.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

%e ..2..2..0..1..0..0....0..1..1..1..0..1....3..2..2..1..1..3....0..1..1..1..1..2

%e ..0..0..0..0..1..0....1..0..1..0..0..0....1..0..2..2..2..0....1..1..0..0..0..3

%e ..1..0..3..3..2..3....1..0..0..1..1..1....1..0..0..2..0..2....3..1..1..0..1..2

%e ..0..0..0..3..2..2....1..0..2..3..1..3....0..0..3..1..3..1....2..0..1..0..0..3

%K nonn

%O 1,1

%A _R. H. Hardin_ Mar 18 2012

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Last modified June 24 20:32 EDT 2022. Contains 354830 sequences. (Running on oeis4.)