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A299585 Number of nX5 0..1 arrays with every element equal to 1, 3, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero. 1

%I #4 Feb 13 2018 11:34:42

%S 0,48,12,229,2170,6418,58139,462269,2322276,16986669,128454665,

%T 778933970,5406879133,38760904917,253109636772,1732629194130,

%U 12086047164497,81183351061250,553954840007329,3816972699796285,25909423046395072

%N Number of nX5 0..1 arrays with every element equal to 1, 3, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero.

%C Column 5 of A299588.

%H R. H. Hardin, <a href="/A299585/b299585.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A299588.

%K nonn

%O 1,2

%A _R. H. Hardin_, Feb 13 2018

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Last modified April 24 20:05 EDT 2024. Contains 371963 sequences. (Running on oeis4.)