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

%I #6 Apr 26 2020 21:07:47

%S 1,8,45,620,37179,2640993,482228052,246430289779,233010334725043,

%T 513658708035556281

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

%C Diagonal of A296952.

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A296952.

%K nonn

%O 1,2

%A _R. H. Hardin_, Dec 22 2017