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A222322 Number of nX2 0..1 arrays with exactly floor(nX2/2) elements unequal to at least one king-move neighbor, with new values introduced in row major 0..1 order 1

%I

%S 0,0,0,7,0,32,0,168,0,948,0,5279,0,29868,0,170435,0,978324,0,5646204,

%T 0,32726780,0,190380464,0,1110922620,0,6499777527,0,38116781580,0,

%U 223982494824,0,1318530693372,0,7774269747257,0,45903969026388,0

%N Number of nX2 0..1 arrays with exactly floor(nX2/2) elements unequal to at least one king-move neighbor, with new values introduced in row major 0..1 order

%C Column 2 of A222328

%H R. H. Hardin, <a href="/A222322/b222322.txt">Table of n, a(n) for n = 1..210</a>

%e All solutions for n=4

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

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

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

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

%K nonn

%O 1,4

%A _R. H. Hardin_ Feb 15 2013

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Last modified January 22 13:23 EST 2022. Contains 350481 sequences. (Running on oeis4.)