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A232041 Number of n X n 0..1 arrays with no element less than a strict majority of its horizontal and antidiagonal neighbors 1

%I #6 Dec 18 2015 18:18:46

%S 2,7,80,3082,377676,136134243,149582129861,504400950236556,

%T 5221663722138853372,165185087217466182289933,

%U 15978120855310868658798043995,4729579027493623228201244058306356

%N Number of n X n 0..1 arrays with no element less than a strict majority of its horizontal and antidiagonal neighbors

%C Diagonal of A232047

%H R. H. Hardin, <a href="/A232041/b232041.txt">Table of n, a(n) for n = 1..17</a>

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 17 2013

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Last modified March 18 22:56 EDT 2024. Contains 370952 sequences. (Running on oeis4.)