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A305766 Number of nX5 0..1 arrays with every element unequal to 0, 1, 2, 3, 4 or 7 king-move adjacent elements, with upper left element zero. 1

%I #4 Jun 10 2018 09:33:11

%S 16,420,3282,34001,332676,3343997,33584061,336821283,3382396016,

%T 33941996307,340704391208,3419646805848,34323402939771,

%U 344510126758213,3457888799166168,34707358045215324,348362554693973944

%N Number of nX5 0..1 arrays with every element unequal to 0, 1, 2, 3, 4 or 7 king-move adjacent elements, with upper left element zero.

%C Column 5 of A305769.

%H R. H. Hardin, <a href="/A305766/b305766.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A305769.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jun 10 2018

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Last modified April 23 18:16 EDT 2024. Contains 371916 sequences. (Running on oeis4.)