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A304307 Number of n X 5 0..1 arrays with every element unequal to 0, 1, 2, 3 or 5 king-move adjacent elements, with upper left element zero. 1

%I #6 Aug 19 2022 14:31:45

%S 16,192,918,4979,26548,145369,795436,4370971,24051887,132494050,

%T 730216299,4025729873,22197550824,122407487462,675046629475,

%U 3722828907866,20531462970265,113232481464776,624488706933028

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

%C Column 5 of A304310.

%H R. H. Hardin, <a href="/A304307/b304307.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A304310.

%K nonn

%O 1,1

%A _R. H. Hardin_, May 10 2018

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Last modified April 20 02:13 EDT 2024. Contains 371798 sequences. (Running on oeis4.)