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A283724 Number of nX6 0..1 arrays with no 1 equal to more than two of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly one element. 1

%I #4 Mar 15 2017 08:01:14

%S 0,1032,56106,2258212,83987692,2938694472,99246546144,3267618010712,

%T 105565418525004,3361146348020960,105782383857436330,

%U 3297885696243120040,102011782806299147034,3134659055255537785816,95779471363270179461976

%N Number of nX6 0..1 arrays with no 1 equal to more than two of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly one element.

%C Column 6 of A283726.

%H R. H. Hardin, <a href="/A283724/b283724.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=3

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

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

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

%Y Cf. A283726.

%K nonn

%O 1,2

%A _R. H. Hardin_, Mar 15 2017

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Last modified September 16 16:54 EDT 2024. Contains 375976 sequences. (Running on oeis4.)