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A223030 Number of nX4 0..2 arrays with exactly floor(nX4/2) elements equal to at least one king-move neighbor, with new values introduced in row major 0..2 order 1

%I #4 Mar 12 2013 04:10:07

%S 6,58,472,1341,6472,15374,60497,142610,499278,1229381,3993742,

%T 10383806,32203849,87752662,265166874,747479421,2230395230,6428099474,

%U 19088788221,55776955238,165502617034,487703210601,1448532737138,4291268460250

%N Number of nX4 0..2 arrays with exactly floor(nX4/2) elements equal to at least one king-move neighbor, with new values introduced in row major 0..2 order

%C Column 4 of A223033

%H R. H. Hardin, <a href="/A223030/b223030.txt">Table of n, a(n) for n = 1..83</a>

%e Some solutions for n=3

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Mar 12 2013

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Last modified April 18 22:18 EDT 2024. Contains 371782 sequences. (Running on oeis4.)