%I #6 Apr 26 2020 20:52:42
%S 2,16,385,31985,9056598,8705322572,28373170135641,313669710008734662,
%T 11762368573382093623080,1496099103269907922278909905,
%U 645462222454558476245469903282979
%N Number of n X n 0..1 arrays with each 1 horizontally or vertically adjacent to 0, 1, 2 or 4 1's.
%C Diagonal of A295716.
%e Some solutions for n=4
%e ..0..0..0..0. .1..1..1..1. .0..0..0..0. .1..1..0..1. .0..0..1..1
%e ..0..1..0..0. .0..0..0..0. .1..1..1..1. .0..0..1..0. .0..1..1..0
%e ..1..1..1..1. .1..0..1..0. .1..0..0..0. .0..0..0..1. .0..0..0..0
%e ..0..1..0..1. .1..1..0..1. .0..1..0..0. .0..0..0..1. .0..0..0..1
%Y Cf. A295716.
%K nonn
%O 1,1
%A _R. H. Hardin_, Nov 26 2017