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A222514 Number of 6Xn 0..1 arrays with exactly floor(6Xn/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..1 order 1

%I #4 Feb 23 2013 17:12:24

%S 0,44,496,2862,23678,195968,1802656,17117005,168709746,1694684254,

%T 17289573440,178062468561,1845566511698,19219604394050,

%U 200763478955510,2102763177782278,22063214171071906,231903259943200754

%N Number of 6Xn 0..1 arrays with exactly floor(6Xn/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..1 order

%C Row 6 of A222509

%H R. H. Hardin, <a href="/A222514/b222514.txt">Table of n, a(n) for n = 1..26</a>

%e Some solutions for n=3

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

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

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

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

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

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

%K nonn

%O 1,2

%A _R. H. Hardin_ Feb 23 2013

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Last modified May 30 02:46 EDT 2024. Contains 372957 sequences. (Running on oeis4.)