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A283947 Number of nX5 0..1 arrays with no 1 equal to more than three of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly one element. 1

%I

%S 0,84,7988,264482,8244557,242330064,6816984648,186634970946,

%T 5006741437429,132235076658212,3449881843194282,89112251221774946,

%U 2282954398345404380,58083724718538740624,1469105340510703161357

%N Number of nX5 0..1 arrays with no 1 equal to more than three of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly one element.

%C Column 5 of A283950.

%H R. H. Hardin, <a href="/A283947/b283947.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A283947/a283947.txt">Empirical recurrence of order 90</a>

%F Empirical recurrence of order 90 (see link above)

%e Some solutions for n=3

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

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

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

%Y Cf. A283950.

%K nonn

%O 1,2

%A _R. H. Hardin_, Mar 18 2017

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Last modified June 28 15:28 EDT 2022. Contains 354907 sequences. (Running on oeis4.)