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A222354 Number of nX2 0..1 arrays with no more than floor(nX2/2) elements unequal to at least one king-move neighbor, with new values introduced in row major 0..1 order 1

%I #4 Feb 16 2013 06:06:59

%S 1,1,1,8,9,42,48,222,255,1237,1435,6923,8076,39180,45912,223658,

%T 263053,1284616,1515348,7417011,8770695,43007282,50961868,250270093,

%U 297083762,1460832023,1736730995,8549309427,10177500240,50147906416,59768368860

%N Number of nX2 0..1 arrays with no more than 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 A222360

%H R. H. Hardin, <a href="/A222354/b222354.txt">Table of n, a(n) for n = 1..210</a>

%e All solutions for n=4

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

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

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

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

%K nonn

%O 1,4

%A _R. H. Hardin_ Feb 16 2013

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Last modified April 25 01:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)