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A221451 Hilltop maps: number of 6Xn binary arrays indicating the locations of corresponding elements not exceeded by any horizontal or antidiagonal neighbor in a random 0..1 6Xn array 1

%I #4 Jan 17 2013 05:10:43

%S 1,1201,65569,2897357,157933741,8569227073,456064257841,

%T 24333809830873,1300168164767193,69442977248777937,

%U 3708745793506329473,198080464024573391557,10579291552464655635125,565028486364173641870457

%N Hilltop maps: number of 6Xn binary arrays indicating the locations of corresponding elements not exceeded by any horizontal or antidiagonal neighbor in a random 0..1 6Xn array

%C Row 6 of A221446

%H R. H. Hardin, <a href="/A221451/b221451.txt">Table of n, a(n) for n = 1..65</a>

%e Some solutions for n=3

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

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

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

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

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

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

%K nonn

%O 1,2

%A _R. H. Hardin_ Jan 17 2013

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Last modified July 14 15:30 EDT 2024. Contains 374322 sequences. (Running on oeis4.)