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A219077 Hilltop maps: number of nX7 binary arrays indicating the locations of corresponding elements not exceeded by any horizontal, diagonal or antidiagonal neighbor in a random 0..1 nX7 array 1

%I #4 Nov 11 2012 14:22:11

%S 57,9367,1023441,113959413,12998933707,1473655240387,167024618548071,

%T 18939932662217929,2147519964457580465,243494396494378271955,

%U 27608646901560676777421,3130407281278669890215213

%N Hilltop maps: number of nX7 binary arrays indicating the locations of corresponding elements not exceeded by any horizontal, diagonal or antidiagonal neighbor in a random 0..1 nX7 array

%C Column 7 of A219078

%H R. H. Hardin, <a href="/A219077/b219077.txt">Table of n, a(n) for n = 1..119</a>

%e Some solutions for n=3

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Nov 11 2012

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Last modified May 12 15:25 EDT 2024. Contains 372482 sequences. (Running on oeis4.)