A298650 - OEIS

%I #4 Jan 24 2018 09:58:53

%S 3,166,424,1446,5124,18271,62544,215035,739962,2537660,8744241,

%T 30188614,104165837,359665578,1242411171,4292458468,14835586385,

%U 51288707980,177340234374,613288580624,2121228689542,7337686991133,25384797504647

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

%C Column 5 of A298653.

%H R. H. Hardin, <a href="/A298650/b298650.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A298653.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 24 2018