%I #4 Feb 22 2017 11:19:18
%S 1,16,201,2376,17965,151084,1172252,8673640,63747749,455684388,
%T 3212866816,22368251306,153926106830,1049611672826,7098147763461,
%U 47657875724972,317957754308705,2109287198397900,13921714911191471
%N Number of nX4 0..1 arrays with no 1 equal to more than one of its king-move neighbors, with the exception of exactly two elements.
%C Column 4 of A282838.
%H R. H. Hardin, <a href="/A282834/b282834.txt">Table of n, a(n) for n = 1..210</a>
%F Empirical: a(n) = 6*a(n-1) +36*a(n-2) -49*a(n-3) -1068*a(n-4) -2442*a(n-5) +5188*a(n-6) +46137*a(n-7) +122151*a(n-8) +166572*a(n-9) +43218*a(n-10) -252576*a(n-11) -585854*a(n-12) -567741*a(n-13) -163194*a(n-14) +501202*a(n-15) +813225*a(n-16) +687639*a(n-17) +136470*a(n-18) -261336*a(n-19) -411516*a(n-20) -243659*a(n-21) -86208*a(n-22) +19152*a(n-23) +14146*a(n-24) +5964*a(n-25) -3381*a(n-26) +343*a(n-27)
%e Some solutions for n=4
%e ..1..0..1..1. .1..1..0..1. .0..0..0..1. .0..1..0..0. .1..1..1..0
%e ..0..0..0..0. .0..0..1..0. .0..0..1..0. .0..1..0..0. .0..0..0..1
%e ..1..0..0..0. .0..0..0..1. .0..1..0..1. .0..0..1..1. .0..0..0..0
%e ..0..1..1..1. .1..0..0..0. .1..0..0..0. .1..0..0..0. .1..0..1..0
%Y Cf. A282838.
%K nonn
%O 1,2
%A _R. H. Hardin_, Feb 22 2017
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