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 A221500 Majority value maps: number of 3Xn binary arrays indicating the locations of corresponding elements equal to at least half of their horizontal and antidiagonal neighbors in a random 0..3 3Xn array 1

%I #4 Jan 18 2013 17:28:23

%S 1,21,228,1733,14297,111042,874106,6765307,52691160,408808871,

%T 3171542725,24602720628,190809097139,1479787939455,11475910286377,

%U 88994984484326,690147796546982,5352001020952269,41503963539351397,321856665112343658

%N Majority value maps: number of 3Xn binary arrays indicating the locations of corresponding elements equal to at least half of their horizontal and antidiagonal neighbors in a random 0..3 3Xn array

%C Row 3 of A221499

%H R. H. Hardin, <a href="/A221500/b221500.txt">Table of n, a(n) for n = 1..208</a>

%e Some solutions for n=3

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

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

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

%K nonn

%O 1,2

%A _R. H. Hardin_ Jan 18 2013

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Last modified April 24 14:32 EDT 2024. Contains 371960 sequences. (Running on oeis4.)