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%I #6 Apr 05 2020 22:58:03
%S 64,1689,122495,14581112,1544903012,179138039472,20513380740103,
%T 2451428833201600,290448052609643641,35231200322704249292,
%U 4253729721779461810333,520640922794348063107735
%N Number of 7 X n 0..1 arrays with the number of 1's horizontally, diagonally or antidiagonally adjacent to some 0 equal to the number of 0's adjacent to some 1, with top left element zero.
%C Row 7 of A284334.
%H R. H. Hardin, <a href="/A284340/b284340.txt">Table of n, a(n) for n = 1..14</a>
%e Some solutions for n=3
%e ..0..1..1. .0..1..0. .0..1..1. .0..0..0. .0..0..0. .0..0..1. .0..1..1
%e ..0..0..0. .1..1..0. .1..0..0. .0..0..0. .1..0..0. .0..0..1. .0..0..0
%e ..1..1..1. .1..0..0. .0..1..1. .0..1..1. .0..0..1. .1..1..1. .1..1..0
%e ..0..1..1. .1..0..1. .0..1..0. .0..1..0. .0..1..1. .0..0..1. .1..0..0
%e ..0..0..1. .0..0..0. .1..0..1. .1..1..1. .1..0..1. .0..1..0. .1..1..0
%e ..0..0..1. .1..1..1. .0..0..0. .0..0..0. .0..0..1. .1..1..1. .1..1..1
%e ..0..0..0. .1..1..1. .1..0..0. .1..1..1. .0..1..1. .0..1..0. .0..1..1
%Y Cf. A284334.
%K nonn
%O 1,1
%A _R. H. Hardin_, Mar 25 2017
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