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A296318 Number of nX6 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 1 neighboring 1. 1

%I #4 Dec 10 2017 11:30:57

%S 9,132,902,8470,77426,676269,6069953,54182821,482859661,4309680012,

%T 38447587452,343001529054,3060175277029,27301498644398,

%U 243572477909485,2173052663274029,19387068214074941,172963318405155953

%N Number of nX6 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 1 neighboring 1.

%C Column 6 of A296320.

%H R. H. Hardin, <a href="/A296318/b296318.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A296318/a296318.txt">Empirical recurrence of order 85</a>

%F Empirical recurrence of order 85 (see link above)

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A296320.

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 10 2017

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Last modified April 24 17:29 EDT 2024. Contains 371962 sequences. (Running on oeis4.)