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 A210182 Number of (n+1)X8 0..3 arrays containing all values 0..3 with every 2X2 subblock having three or four distinct values, and new values 0..3 introduced in row major order 1

%I #5 Mar 31 2012 12:37:32

%S 12988416,84200356757,525217898009080,3289463766677655180,

%T 20592266923035456358072,128916198764977919097970016,

%U 807064033391082670768444038930,5052529194034452722003155551168526

%N Number of (n+1)X8 0..3 arrays containing all values 0..3 with every 2X2 subblock having three or four distinct values, and new values 0..3 introduced in row major order

%C Column 7 of A210183

%H R. H. Hardin, <a href="/A210182/b210182.txt">Table of n, a(n) for n = 1..151</a>

%e Some solutions for n=4

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Mar 18 2012

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Last modified December 10 12:10 EST 2023. Contains 367710 sequences. (Running on oeis4.)