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A222576 Number of 4Xn 0..2 arrays with no more than floor(4Xn/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..2 order 0

%I

%S 14,18,120,435,3516,25441,212957,1933819,17971162,172292518,

%T 1649722196,15907967878,153952727468,1485280127413,14446587454682,

%U 139301828808661,1359137046700841

%N Number of 4Xn 0..2 arrays with no more than floor(4Xn/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..2 order

%C Row 4 of A222573

%e Some solutions for n=3

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 25 2013

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Last modified May 22 22:13 EDT 2022. Contains 353959 sequences. (Running on oeis4.)