%I #6 Apr 05 2020 22:48:42
%S 16,212,3224,91260,2417194,68272108,1970768869,58014691963,
%T 1729160628627,52018078923533,1575778726620949,47999422848604301,
%U 1468666472458499856,45105520159013915517,1389642013052702705342,42928654746563598820849
%N Number of 5 X n 0..1 arrays with the number of 1's horizontally or antidiagonally adjacent to some 0 equal to the number of 0's adjacent to some 1, with top left element zero.
%C Row 5 of A284222.
%H R. H. Hardin, <a href="/A284226/b284226.txt">Table of n, a(n) for n = 1..80</a>
%e Some solutions for n=4
%e ..0..0..1..1. .0..1..0..0. .0..0..1..1. .0..1..0..1. .0..0..1..1
%e ..1..0..0..0. .1..0..0..0. .1..1..0..0. .1..1..0..0. .1..1..0..0
%e ..1..1..1..0. .1..1..1..0. .0..1..0..1. .1..0..1..0. .0..0..0..0
%e ..0..1..0..0. .1..1..1..1. .0..0..1..0. .0..1..1..1. .0..0..0..0
%e ..1..0..1..1. .0..0..1..1. .1..0..1..0. .0..1..0..0. .1..1..1..0
%Y Cf. A284222.
%K nonn
%O 1,1
%A _R. H. Hardin_, Mar 23 2017
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