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%I #4 Dec 27 2017 15:37:16
%S 13,145,1513,16658,178469,1918732,20599895,221333623,2377449633,
%T 25538644681,274338521973,2946944060015,31656188524253,
%U 340051734132151,3652845905487029,39238984432264619,421506370243881833
%N Number of nX7 0..1 arrays with every 1 horizontally or antidiagonally adjacent to 1 neighboring 1s.
%C Column 7 of A297224.
%H R. H. Hardin, <a href="/A297223/b297223.txt">Table of n, a(n) for n = 1..210</a>
%F Empirical: a(n) = a(n-1) +60*a(n-2) +410*a(n-3) +804*a(n-4) -206*a(n-5) -4210*a(n-6) -136*a(n-7) -4099*a(n-8) -6059*a(n-9) +20146*a(n-10) +14506*a(n-11) -16052*a(n-12) +4656*a(n-13) -228*a(n-14) -100*a(n-15) +12*a(n-16) for n>21
%e Some solutions for n=5
%e ..0..0..0..0..0..0..0. .0..0..0..0..0..0..0. .0..0..0..1..0..1..0
%e ..0..1..1..0..0..1..1. .0..0..0..0..0..1..1. .0..0..1..0..1..0..0
%e ..0..0..0..0..0..0..0. .0..0..0..0..0..0..0. .0..0..0..0..0..0..1
%e ..1..1..0..0..0..0..0. .0..1..0..1..0..0..0. .0..1..1..0..0..1..0
%e ..0..1..1..0..0..0..0. .1..0..1..0..1..1..0. .0..0..0..0..0..0..0
%Y Cf. A297224.
%K nonn
%O 1,1
%A _R. H. Hardin_, Dec 27 2017
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