A297904 - OEIS

%I #4 Jan 08 2018 07:04:25

%S 8,34,5,54,281,395,2353,12834,42557,215887,1120924,4589745,22352495,

%T 111073035,490364549,2351391843,11385093039,51998798385,247440381699,

%U 1182146119648,5488163169647,26009798244315,123445402646761

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

%C Column 5 of A297907.

%H R. H. Hardin, <a href="/A297904/b297904.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=7

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

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

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

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

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

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

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

%Y Cf. A297907.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 08 2018