# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a316539 Showing 1-1 of 1 %I A316539 #4 Jul 06 2018 12:22:56 %S A316539 1,4,26,136,4219,114514,5074646,681913008,140688693646,48442426003864, %T A316539 36951311160860211 %N A316539 Number of nXn 0..1 arrays with every element unequal to 0, 1, 2, 4, 7 or 8 king-move adjacent elements, with upper left element zero. %C A316539 Diagonal of A316545. %e A316539 Some solutions for n=5 %e A316539 ..0..0..0..1..1. .0..0..0..0..1. .0..1..1..0..0. .0..1..0..0..0 %e A316539 ..0..0..0..0..0. .0..0..0..1..0. .0..0..0..0..0. .0..1..0..0..0 %e A316539 ..0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0 %e A316539 ..0..0..1..0..1. .0..0..0..1..0. .1..1..0..1..0. .1..0..0..1..0 %e A316539 ..0..0..1..0..1. .1..1..0..0..0. .1..1..1..0..0. .1..0..0..1..0 %Y A316539 Cf. A316545. %K A316539 nonn %O A316539 1,2 %A A316539 _R. H. Hardin_, Jul 06 2018 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE