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 A237736 Number of (n+2)X(3+2) 0..1 arrays with the (lower) median of each row and column nondecreasing 1

%I

%S 3720,105639,1659924,38387146,639694176,13279334007,226316321580,

%T 4405469041518,75639307776048,1412509368887850,24269633489414040,

%U 440509206404382732,7551731737591713408,134301252331626465687

%N Number of (n+2)X(3+2) 0..1 arrays with the (lower) median of each row and column nondecreasing

%C Column 3 of A237738

%H R. H. Hardin, <a href="/A237736/b237736.txt">Table of n, a(n) for n = 1..20</a>

%e Some solutions for n=2

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 12 2014

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Last modified November 28 19:17 EST 2022. Contains 358421 sequences. (Running on oeis4.)