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A231767 Number of (3+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 #4 Nov 13 2013 09:03:22

%S 36,660,5041,38160,356409,3453471,30958096,275036364,2497000900,

%T 22773363171,206128712196,1863472732275,16885039757881,

%U 153067510948440,1386533696771344,12557954163081200,113765768465994225

%N Number of (3+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 Row 3 of A231764

%H R. H. Hardin, <a href="/A231767/b231767.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 13 2013

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Last modified April 19 18:05 EDT 2024. Contains 371798 sequences. (Running on oeis4.)