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A283689 Number of nX6 0..1 arrays with no 1 equal to more than two of its horizontal, diagonal and antidiagonal neighbors. 1

%I #4 Mar 14 2017 16:15:03

%S 64,1824,47829,1392868,39372084,1119189256,31815868749,904083654190,

%T 25694926726796,730246763504188,20753592413744794,589817414148933249,

%U 16762605646255786265,476393216356370195357,13539093722749224067603

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

%C Column 6 of A283691.

%H R. H. Hardin, <a href="/A283689/b283689.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A283689/a283689.txt">Empirical recurrence of order 83</a>

%F Empirical recurrence of order 83 (see link above)

%e Some solutions for n=3

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

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

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

%Y Cf. A283691.

%K nonn

%O 1,1

%A _R. H. Hardin_, Mar 14 2017

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Last modified May 14 20:39 EDT 2024. Contains 372533 sequences. (Running on oeis4.)