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A299333 Number of n X 7 0..1 arrays with every element equal to 2, 3, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero. 1

%I #6 Dec 31 2023 10:23:28

%S 0,104,4258,214683,14783424,967671172,65181402152,4383565657986,

%T 295419024896953,19926814221917058,1344338852840125793,

%U 90711097292403927280,6121140631696358276769,413063353638750786227404

%N Number of n X 7 0..1 arrays with every element equal to 2, 3, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero.

%C Column 7 of A299334.

%H R. H. Hardin, <a href="/A299333/b299333.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A299334.

%K nonn

%O 1,2

%A _R. H. Hardin_, Feb 07 2018

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Last modified September 17 03:10 EDT 2024. Contains 375984 sequences. (Running on oeis4.)