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A210059 Number of (n+1)X7 0..3 arrays with every 2X2 subblock having one, two or four distinct values, and new values 0..3 introduced in row major order 1

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

%S 111659,26510247,6488330257,1622061565898,409244238764475,

%T 103709585657221609,26336924516842226001,6694938325332208321451,

%U 1702693751940512877132139,433138276610022010132013399

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

%C Column 6 of A210061

%H R. H. Hardin, <a href="/A210059/b210059.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Mar 16 2012

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Last modified December 2 12:29 EST 2023. Contains 367517 sequences. (Running on oeis4.)