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A222998 Number of nX4 0..2 arrays with no more than floor(nX4/2) elements equal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..2 order 1

%I

%S 10,272,11114,486262,21692365,982879508,45079248621,2086133257739,

%T 97208417340361,4554539931346382,214352375573013156,

%U 10125794195099126318,479840435995427044060,22800045065517001638699,1085898615393818008179596

%N Number of nX4 0..2 arrays with no more than floor(nX4/2) elements equal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..2 order

%C Column 4 of A223000

%H R. H. Hardin, <a href="/A222998/b222998.txt">Table of n, a(n) for n = 1..58</a>

%e Some solutions for n=3

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Mar 11 2013

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Last modified January 21 07:12 EST 2022. Contains 350473 sequences. (Running on oeis4.)