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A237741 Number of (n+2)X(2+2) 0..1 arrays with the (lower) medians of each row equal and of each column equal 1

%I #4 Feb 12 2014 09:28:58

%S 290,7552,39842,938176,5871266,119520256,847692866,15310585024,

%T 118493356610,1955650250944,16126257415634,248537282831776,

%U 2150107129635650,31420152560173312,282167783898835202

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

%C Column 2 of A237745

%H R. H. Hardin, <a href="/A237741/b237741.txt">Table of n, a(n) for n = 1..45</a>

%e Some solutions for n=3

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 12 2014

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Last modified April 16 20:04 EDT 2024. Contains 371754 sequences. (Running on oeis4.)