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A231757 Number of (n+1)X(n+1) 0..1 arrays with no element having a strict majority of its horizontal, diagonal and antidiagonal neighbors equal to one 1

%I

%S 9,136,5041,493695,175642009,216545491864,682267982467600,

%T 6184663140527966655,184835030323441507989529,

%U 17039092957711747812559207879,4549223325244087259619117440725081

%N Number of (n+1)X(n+1) 0..1 arrays with no element having a strict majority of its horizontal, diagonal and antidiagonal neighbors equal to one

%C Diagonal of A231764

%H R. H. Hardin, <a href="/A231757/b231757.txt">Table of n, a(n) for n = 1..13</a>

%e Some solutions for n=3

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 13 2013

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Last modified April 14 22:47 EDT 2021. Contains 342971 sequences. (Running on oeis4.)