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%I #6 Aug 20 2020 11:43:50
%S 1,8,171,9541,1423344,564002959,592006690060,1646995545166039,
%T 12145346382857661327,237428255410557186948107
%N Number of n X n 0..1 arrays with every element equal to 0, 1, 2, 3, 5 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
%C Diagonal of A301450.
%e Some solutions for n=5
%e ..0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..1. .0..0..0..0..1
%e ..1..1..1..1..0. .0..1..1..1..0. .1..0..1..0..0. .1..1..0..0..0
%e ..0..0..0..1..1. .0..0..1..1..1. .0..1..0..1..1. .0..1..1..1..1
%e ..1..0..0..1..1. .0..1..1..1..0. .1..0..1..0..1. .1..0..1..0..1
%e ..0..0..1..1..0. .0..0..1..1..0. .1..0..0..0..1. .0..0..0..0..1
%Y Cf. A301450.
%K nonn
%O 1,2
%A _R. H. Hardin_, Mar 21 2018
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