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A221038 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..2 4Xn array.

%I A221038 #6 Jul 23 2025 01:39:03
%S A221038 1,65,1561,24485,419506,6637755,106761517,1679728622,26519446624,
%T A221038 415662734974,6527075798544,102305652745928,1603242301015531,
%U A221038 25121020499653935,393548527029714107,6165086304179204952
%N A221038 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..2 4Xn array.
%C A221038 Row 4 of A221035
%H A221038 R. H. Hardin, <a href="/A221038/b221038.txt">Table of n, a(n) for n = 1..26</a>
%e A221038 Some solutions for n=3
%e A221038 ..0..0..0....0..0..0....1..0..1....1..0..0....0..0..1....1..0..0....1..0..0
%e A221038 ..0..0..1....1..0..1....0..0..0....1..1..1....1..1..0....0..0..1....1..0..0
%e A221038 ..1..1..0....0..1..1....1..1..1....1..1..1....0..0..0....1..1..1....0..0..0
%e A221038 ..0..0..0....1..0..1....1..1..1....0..0..1....0..0..1....1..0..0....0..0..0
%K A221038 nonn
%O A221038 1,2
%A A221038 _R. H. Hardin_ Dec 29 2012