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A298229 Number of nX7 0..1 arrays with every element equal to 0, 1, 3, 4 or 5 king-move adjacent elements, with upper left element zero. 1

%I #4 Jan 15 2018 08:31:59

%S 21,348,219,15646,71212,1166270,25406586,353699661,6688607300,

%T 128037046425,2233455463049,41229191798129,775524676522648,

%U 14045073377885063,259265856410756757,4817848310541414512

%N Number of nX7 0..1 arrays with every element equal to 0, 1, 3, 4 or 5 king-move adjacent elements, with upper left element zero.

%C Column 7 of A298230.

%H R. H. Hardin, <a href="/A298229/b298229.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A298230.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 15 2018

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Last modified September 4 16:06 EDT 2024. Contains 375685 sequences. (Running on oeis4.)