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A210163 Number of (n+1)X7 0..3 arrays with every 2X2 subblock having two or three distinct values, and new values 0..3 introduced in row major order 1

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

%S 5608216,46257884813,381562168006676,3147440073860364317,

%T 25962633684406082924528,214160856104080731185022846,

%U 1766572383518778985494433173997,14572121378241022983911998699738096

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

%C Column 6 of A210165

%H R. H. Hardin, <a href="/A210163/b210163.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Mar 18 2012

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Last modified April 23 07:16 EDT 2024. Contains 371905 sequences. (Running on oeis4.)