A300256 - OEIS

%I #4 Mar 01 2018 07:45:40

%S 16,472,6585,100823,1588195,24735890,385299869,6015414147,93883095950,

%T 1465112676070,22867430882165,356916911760639,5570755321012946,

%U 86949055431487852,1357115151790133239,21182075354753253187

%N Number of nX5 0..1 arrays with every element equal to 0, 1, 2, 3, 4, 6, 7 or 8 king-move adjacent elements, with upper left element zero.

%C Column 5 of A300259.

%H R. H. Hardin, <a href="/A300256/b300256.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A300259.

%K nonn

%O 1,1

%A _R. H. Hardin_, Mar 01 2018