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A306057 Number of n X 5 0..1 arrays with every element unequal to 0, 1, 2, 4, 6 or 7 king-move adjacent elements, with upper left element zero. 1

%I

%S 16,64,189,608,3572,16833,67791,313348,1479005,6565230,29422003,

%T 134821503,611371817,2755886039,12498196528,56717052098,256697600693,

%U 1162416576283,5268737004991,23869099972053,108109669604193

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

%C Column 5 of A306060.

%H R. H. Hardin, <a href="/A306057/b306057.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A306060.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jun 18 2018

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Last modified November 28 00:12 EST 2021. Contains 349395 sequences. (Running on oeis4.)