A299939 - OEIS

%I #4 Feb 22 2018 07:25:24

%S 16,286,614,2153,8379,30204,106323,379361,1353507,4821370,17201553,

%T 61412082,219273629,783307167,2799372207,10007499485,35788000377,

%U 128021505315,458087897310,1639569764368,5869713799941,21018507103849

%N Number of nX5 0..1 arrays with every element equal to 0, 1, 2, 3, 6, 7 or 8 king-move adjacent elements, with upper left element zero.

%C Column 5 of A299942.

%H R. H. Hardin, <a href="/A299939/b299939.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A299942.

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 22 2018