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%I #6 May 03 2020 15:28:57
%S 2,16,351,26278,6316836,4769336288,11598374165583,90071290640636405,
%T 2231818836473290517838
%N Number of n X n 0..1 arrays with no 1 adjacent to 4 king-move neighboring 1's.
%C Diagonal of A297102.
%e Some solutions for n=4
%e ..0..1..1..0. .1..1..0..0. .1..1..0..1. .1..1..0..1. .0..1..0..0
%e ..1..0..0..0. .0..0..1..0. .0..0..0..1. .0..0..0..1. .0..1..0..1
%e ..0..0..1..0. .0..0..1..1. .0..0..1..0. .1..0..1..0. .0..1..0..1
%e ..1..0..1..0. .0..0..1..0. .1..0..0..0. .1..0..0..0. .0..1..0..0
%Y Cf. A297102.
%K nonn
%O 1,1
%A _R. H. Hardin_, Dec 25 2017