# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a299367 Showing 1-1 of 1 %I A299367 #6 Jun 15 2020 14:30:39 %S A299367 0,4,130,10692,3216110,3330673422,11808073517522,143714747245855583, %T A299367 6004323638946405219444 %N A299367 Number of n X n 0..1 arrays with every element equal to 1, 2, 3, 4, 5 or 8 king-move adjacent elements, with upper left element zero. %C A299367 Diagonal of A299373. %e A299367 Some solutions for n=5 %e A299367 ..0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0 %e A299367 ..0..1..1..0..0. .0..1..1..0..0. .0..1..1..0..0. .0..1..1..0..0 %e A299367 ..1..0..1..1..0. .1..1..1..0..1. .1..1..1..0..1. .1..1..1..0..1 %e A299367 ..1..0..1..1..0. .0..1..0..1..1. .0..1..0..0..1. .0..0..1..1..0 %e A299367 ..1..0..0..1..0. .0..1..0..1..1. .1..0..0..1..0. .0..0..0..0..0 %Y A299367 Cf. A299373. %K A299367 nonn %O A299367 1,2 %A A299367 _R. H. Hardin_, Feb 08 2018 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE