# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a316646 Showing 1-1 of 1 %I A316646 #4 Jul 09 2018 11:27:41 %S A316646 5,165,247,954,13869,43604,228056,1976020,9093873,51610410,361362973, %T A316646 1985497197,11760202787,75909662200,448886626784,2721480635319, %U A316646 17080156724712,103985805258335,638132195692524,3970731506103798 %N A316646 Number of nX6 0..1 arrays with every element unequal to 1, 2, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero. %C A316646 Column 6 of A316648. %H A316646 R. H. Hardin, Table of n, a(n) for n = 1..210 %e A316646 Some solutions for n=5 %e A316646 ..0..1..0..0..0..0. .0..1..0..0..1..0. .0..1..1..0..1..0. .0..1..1..0..0..1 %e A316646 ..0..0..0..1..1..0. .0..0..0..0..0..1. .0..1..1..0..1..0. .0..0..0..0..1..0 %e A316646 ..0..0..0..0..0..0. .0..0..0..0..0..0. .1..1..1..1..1..1. .0..0..0..0..0..0 %e A316646 ..0..1..0..0..0..0. .0..1..0..0..1..0. .1..1..1..0..1..0. .0..1..1..0..0..0 %e A316646 ..1..0..0..0..1..0. .0..0..0..0..0..0. .1..0..1..1..1..1. .0..0..0..0..1..1 %Y A316646 Cf. A316648. %K A316646 nonn %O A316646 1,1 %A A316646 _R. H. Hardin_, Jul 09 2018 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE