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 A222877 Number of nX7 0..3 arrays with no more than floor(nX7/2) elements equal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..3 order 1

%I

%S 438,6013669,66248732403,1036481888251762,11989849992460360377,

%T 192967638304466060567720,2288814374497410957902034456,

%U 37306843891418465461998644495695,449110977900671215379544970452138247

%N Number of nX7 0..3 arrays with no more than floor(nX7/2) elements equal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..3 order

%C Column 7 of A222878

%H R. H. Hardin, <a href="/A222877/b222877.txt">Table of n, a(n) for n = 1..13</a>

%e Some solutions for n=3

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Mar 08 2013

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Last modified May 18 13:12 EDT 2022. Contains 353807 sequences. (Running on oeis4.)