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Number of nX5 0..1 arrays with every element unequal to 0, 1, 2, 3 or 6 king-move adjacent elements, with upper left element zero.
1

%I #4 May 13 2018 10:39:43

%S 16,120,316,1100,5063,18879,68338,289227,1157258,4393415,17723784,

%T 71637043,280423241,1116468033,4495393108,17861030500,71097750334,

%U 285225505263,1140055524713,4550513334300,18230524808865,73024146835806

%N Number of nX5 0..1 arrays with every element unequal to 0, 1, 2, 3 or 6 king-move adjacent elements, with upper left element zero.

%C Column 5 of A304472.

%H R. H. Hardin, <a href="/A304469/b304469.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A304469/a304469.txt">Empirical recurrence of order 84</a>

%F Empirical recurrence of order 84 (see link above)

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A304472.

%K nonn

%O 1,1

%A _R. H. Hardin_, May 13 2018

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Last modified September 22 17:26 EDT 2024. Contains 376119 sequences. (Running on oeis4.)