|
%I #4 May 31 2018 09:19:05
%S 8,928,2935,21691,163682,1113793,8803975,65762626,500606134,
%T 3871912412,29641292709,228724010089,1764555059811,13604894698893,
%U 105055149573703,810888251301564,6260188499559851,48338915060171029,373223482079535759
%N Number of nX7 0..1 arrays with every element unequal to 1, 2, 3, 5 or 8 king-move adjacent elements, with upper left element zero.
%C Column 7 of A305367.
%H R. H. Hardin, <a href="/A305366/b305366.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=5
%e ..0..0..0..0..1..0..1. .0..1..0..1..1..1..1. .0..0..0..1..0..0..0
%e ..0..1..0..1..1..1..1. .0..1..1..1..1..0..1. .0..1..0..0..0..0..1
%e ..1..1..1..1..1..1..0. .0..0..1..1..0..0..0. .0..0..0..0..0..1..1
%e ..0..1..1..0..1..1..1. .0..1..1..0..0..0..1. .0..0..1..0..1..1..1
%e ..1..1..0..0..0..1..0. .1..1..1..1..0..1..1. .0..1..1..1..1..1..0
%Y Cf. A305367.
%K nonn
%O 1,1
%A _R. H. Hardin_, May 31 2018
| 