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 A218761 Unmatched value maps: number of nX4 binary arrays indicating the locations of corresponding elements not equal to any horizontal or vertical neighbor in a random 0..1 nX4 array 1

%I

%S 7,47,403,2942,22439,170148,1291662,9807350,74441043,565067801,

%T 4289417212,32560993753,247169557952,1876254744847,14242588588406,

%U 108115048685864,820697944019795,6229892072413748,47290913215565827

%N Unmatched value maps: number of nX4 binary arrays indicating the locations of corresponding elements not equal to any horizontal or vertical neighbor in a random 0..1 nX4 array

%C Column 4 of A218765

%H R. H. Hardin, <a href="/A218761/b218761.txt">Table of n, a(n) for n = 1..49</a>

%e Some solutions for n=3

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Nov 05 2012

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Last modified November 29 09:34 EST 2022. Contains 358423 sequences. (Running on oeis4.)