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Number of nX7 0..1 arrays with no element equal to fewer vertical neighbors than horizontal neighbors, with new values 0..1 introduced in row major order
1

%I #4 Apr 12 2014 18:11:03

%S 1,22,472,9581,226532,5228820,121621207,2827515311,65742420202,

%T 1528546759636,35539596883248,826313572773202,19212201839186636,

%U 446693206688680120,10385838163314549709,241475873187832394155

%N Number of nX7 0..1 arrays with no element equal to fewer vertical neighbors than horizontal neighbors, with new values 0..1 introduced in row major order

%C Column 7 of A240783

%H R. H. Hardin, <a href="/A240782/b240782.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,2

%A _R. H. Hardin_, Apr 12 2014