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A304666 Number of nX5 0..1 arrays with every element unequal to 0, 1, 3, 5 or 6 king-move adjacent elements, with upper left element zero. 1

%I #4 May 16 2018 14:37:20

%S 8,53,66,249,832,1926,5311,15604,41101,113581,322499,878867,2424634,

%T 6783680,18692607,51620360,143530053,396942014,1097506347,3043745061,

%U 8426485347,23316586078,64599682220,178884708707,495183784333

%N Number of nX5 0..1 arrays with every element unequal to 0, 1, 3, 5 or 6 king-move adjacent elements, with upper left element zero.

%C Column 5 of A304669.

%H R. H. Hardin, <a href="/A304666/b304666.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A304669.

%K nonn

%O 1,1

%A _R. H. Hardin_, May 16 2018

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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)