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A305086 Number of nX5 0..1 arrays with every element unequal to 1, 2, 3, 6 or 7 king-move adjacent elements, with upper left element zero. 1

%I #4 May 25 2018 08:18:35

%S 3,70,182,352,3384,15814,39016,211725,1172982,4246558,18224573,

%T 92758298,399649580,1704469437,7980924563,36039025684,157874571209,

%U 714475210078,3237465655128,14422532218849,64709245581064,291957648922831

%N Number of nX5 0..1 arrays with every element unequal to 1, 2, 3, 6 or 7 king-move adjacent elements, with upper left element zero.

%C Column 5 of A305089.

%H R. H. Hardin, <a href="/A305086/b305086.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A305086/a305086.txt">Empirical recurrence of order 97</a>

%F Empirical recurrence of order 97 (see link above)

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A305089.

%K nonn

%O 1,1

%A _R. H. Hardin_, May 25 2018

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Last modified May 3 16:04 EDT 2024. Contains 372221 sequences. (Running on oeis4.)