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%I #6 Aug 20 2020 11:41:02
%S 1,3,16,327,15861,2472677,1111779576,1357319826867,4569367213244153,
%T 42289687408658327593
%N Number of n X n 0..1 arrays with every element equal to 0, 2, 3, 4 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
%C Diagonal of A300966.
%e Some solutions for n=5
%e ..0..1..0..0..0. .0..0..0..1..1. .0..0..0..0..0. .0..0..1..0..0
%e ..1..1..0..0..0. .0..0..0..1..0. .0..1..0..1..0. .0..1..1..0..1
%e ..0..1..1..1..1. .0..0..1..0..0. .0..0..0..0..1. .1..0..1..0..0
%e ..1..1..0..1..1. .1..1..1..1..1. .1..1..0..1..1. .1..1..0..0..0
%e ..1..0..0..1..0. .1..0..1..1..1. .1..0..0..1..0. .1..0..0..0..1
%Y Cf. A300966.
%K nonn
%O 1,2
%A _R. H. Hardin_, Mar 17 2018
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