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%I #4 Jan 17 2013 05:05:57
%S 57,5785,543081,51186449,4832005625,456064257841,43045366565233,
%T 4062814670687601,383466625153100089,36193296042509422929,
%U 3416085237442369485553,322425410952503720400913
%N Hilltop maps: number of nX7 binary arrays indicating the locations of corresponding elements not exceeded by any horizontal or antidiagonal neighbor in a random 0..1 nX7 array
%C Column 7 of A221446
%H R. H. Hardin, <a href="/A221445/b221445.txt">Table of n, a(n) for n = 1..50</a>
%e Some solutions for n=3
%e ..0..1..1..1..1..0..1....0..1..1..1..1..0..1....0..1..1..1..1..1..1
%e ..0..1..1..1..0..0..1....0..0..1..1..1..1..0....0..0..1..0..0..0..1
%e ..0..1..0..1..1..1..1....0..1..1..0..0..1..1....0..1..0..0..1..1..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Jan 17 2013