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%I A297337 #4 Dec 28 2017 11:30:38
%S A297337 34,833,18604,427900,9831967,225944546,5193690642,119391166963,
%T A297337 2744583368968,63093303226606,1450410803043383,33342572696460128,
%U A297337 766491421345203521,17620390472470822059,405064115422703756884
%N A297337 Number of nX7 0..1 arrays with every 1 horizontally or antidiagonally adjacent to 0 or 2 neighboring 1s.
%C A297337 Column 7 of A297338.
%H A297337 R. H. Hardin, <a href="/A297337/b297337.txt">Table of n, a(n) for n = 1..210</a>
%F A297337 Empirical: a(n) = 43*a(n-1) -585*a(n-2) +2959*a(n-3) -288*a(n-4) -42886*a(n-5) +83130*a(n-6) +187674*a(n-7) -548300*a(n-8) -252731*a(n-9) +1293705*a(n-10) -68198*a(n-11) -1186073*a(n-12) +175603*a(n-13) +484575*a(n-14) -80778*a(n-15) -82496*a(n-16) +18732*a(n-17) +3444*a(n-18) -1884*a(n-19) +252*a(n-20) for n>22
%e A297337 Some solutions for n=5
%e A297337 ..0..0..0..1..0..1..0. .0..0..0..0..0..1..0. .0..0..0..1..0..1..0
%e A297337 ..0..0..0..1..0..1..0. .0..0..0..1..0..1..1. .0..0..0..0..0..1..0
%e A297337 ..0..0..0..1..0..1..0. .0..0..0..0..1..1..0. .0..0..0..1..0..0..0
%e A297337 ..0..0..0..0..0..0..0. .0..0..0..0..0..0..0. .0..1..0..1..0..0..1
%e A297337 ..0..1..0..0..0..1..0. .0..0..0..0..0..1..0. .0..0..0..1..0..0..0
%Y A297337 Cf. A297338.
%K A297337 nonn
%O A297337 1,1
%A A297337 _R. H. Hardin_, Dec 28 2017

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