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A304845 Number of nX5 0..1 arrays with every element unequal to 0, 1, 2, 4 or 7 king-move adjacent elements, with upper left element zero. 1

%I

%S 16,64,165,502,3009,12763,45988,205950,912997,3690448,15499328,

%T 66956934,281234615,1178657330,5007791845,21188234139,89234391013,

%U 377182176376,1595475905110,6735810178562,28448566412437,120239913645632

%N Number of nX5 0..1 arrays with every element unequal to 0, 1, 2, 4 or 7 king-move adjacent elements, with upper left element zero.

%C Column 5 of A304848.

%H R. H. Hardin, <a href="/A304845/b304845.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A304848.

%K nonn

%O 1,1

%A _R. H. Hardin_, May 19 2018

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Last modified October 25 08:40 EDT 2021. Contains 348239 sequences. (Running on oeis4.)