A296828 - OEIS

%I #6 Apr 26 2020 21:07:23

%S 2,6,43,573,14379,706534,67007971,12228697715,4321362259224,

%T 2948102949160889

%N Number of n X n 0..1 arrays with each 1 adjacent to 0, 3 or 5 king-move neighboring 1's.

%C Diagonal of A296834.

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A296834.

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 21 2017