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A185989 1/128 the number of (n+2)X7 binary arrays with each 3X3 subblock trace equal to some horizontal or vertical neighbor 3X3 subblock trace 1

%I

%S 876,52966,1739442,64582504,2340935640,86146689788,3151659956721,

%T 115518814872268,4232611015536753,155094173345238861,

%U 5682960561169751651,208236239201648689372,7630223129025671000970,279587941557596275909471

%N 1/128 the number of (n+2)X7 binary arrays with each 3X3 subblock trace equal to some horizontal or vertical neighbor 3X3 subblock trace

%C Column 5 of A185993

%H R. H. Hardin, <a href="/A185989/b185989.txt">Table of n, a(n) for n = 1..200</a>

%e Some solutions for 4X7

%e ..0..1..1..1..1..1..0....0..1..0..0..0..1..0....0..0..1..1..1..0..0

%e ..0..0..0..0..0..1..1....0..0..0..1..1..1..0....0..0..1..0..1..1..1

%e ..0..0..0..0..0..1..0....0..0..0..1..1..1..1....0..0..0..1..1..1..1

%e ..0..0..0..0..1..1..0....0..1..0..1..0..0..0....0..1..0..0..0..1..1

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 08 2011

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Last modified May 17 03:25 EDT 2022. Contains 353727 sequences. (Running on oeis4.)