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A221501 Majority value maps: number of 4Xn binary arrays indicating the locations of corresponding elements equal to at least half of their horizontal and antidiagonal neighbors in a random 0..3 4Xn array 1

%I #4 Jan 18 2013 17:29:03

%S 1,65,1561,24485,420022,6665056,107190767,1690202297,26703076643,

%T 419073070413,6586631574597,103328644089460,1620642625082713,

%U 25414099830572878,398456044175351385,6246858252570134307

%N Majority value maps: number of 4Xn binary arrays indicating the locations of corresponding elements equal to at least half of their horizontal and antidiagonal neighbors in a random 0..3 4Xn array

%C Row 4 of A221499

%H R. H. Hardin, <a href="/A221501/b221501.txt">Table of n, a(n) for n = 1..21</a>

%e Some solutions for n=3

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

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

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

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

%K nonn

%O 1,2

%A _R. H. Hardin_ Jan 18 2013

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Last modified February 21 15:59 EST 2024. Contains 370237 sequences. (Running on oeis4.)