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 A238028 Number of (2+2)X(n+2) 0..1 arrays with the (lower) medians of each row unequal to its neighbors and each column equal to its neighbors 1

%I

%S 146,310,12722,32502,1147442,3283862,104956562,323207446,9683790866,

%T 31428574342,899218599554,3038452573750,83934164549906,

%U 292947099322966,7869062871900626,28211912828754006,740578605678171986

%N Number of (2+2)X(n+2) 0..1 arrays with the (lower) medians of each row unequal to its neighbors and each column equal to its neighbors

%C Row 2 of A238026

%H R. H. Hardin, <a href="/A238028/b238028.txt">Table of n, a(n) for n = 1..44</a>

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 17 2014

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Last modified June 18 23:16 EDT 2021. Contains 345125 sequences. (Running on oeis4.)