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A210265 Number of (n+1)X7 0..3 arrays containing all values 0..3 with every 2X2 subblock having three distinct values, and new values 0..3 introduced in row major order 1

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

%S 406580,292930403,202860601666,140618780386783,97427021073113618,

%T 67504950532170896962,46772256594635018663098,

%U 32407200627974582453716845,22454047914872390935721775848,15557785658285684261082467862656

%N Number of (n+1)X7 0..3 arrays containing all values 0..3 with every 2X2 subblock having three distinct values, and new values 0..3 introduced in row major order

%C Column 6 of A210267

%H R. H. Hardin, <a href="/A210265/b210265.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Mar 19 2012

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Last modified April 23 08:33 EDT 2024. Contains 371905 sequences. (Running on oeis4.)