A220257 - OEIS

%I #4 Dec 08 2012 17:13:51

%S 7,132,1875,31917,512622,8112068,127838919,2013005761,31591099640,

%T 495491153696,7767145420991,121712177286653,1906918917792881,

%U 29873798571482882,467975355172004553,7330648620600152987

%N Majority value maps: number of nX4 binary arrays indicating the locations of corresponding elements equal to at least half of their horizontal and vertical neighbors in a random 0..2 nX4 array

%C Column 4 of A220259

%H R. H. Hardin, <a href="/A220257/b220257.txt">Table of n, a(n) for n = 1..17</a>

%e Some solutions for n=3

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Dec 08 2012