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A237740 Number of (n+2)X(1+2) 0..1 arrays with the (lower) medians of each row equal and of each column equal 1
68, 290, 1412, 5708, 25832, 103538, 447332, 1790084, 7524728, 30101684, 124437224, 497759192, 2036030288, 8144159762, 33083125028, 132332645972, 535071925208, 2140288255100, 8626608745592, 34506437098664, 138775530904496 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 1 of A237745
LINKS
EXAMPLE
Some solutions for n=5
..1..1..1....1..1..1....1..1..1....1..0..1....0..1..1....0..1..1....1..0..1
..1..1..1....1..1..1....0..1..1....1..1..0....1..0..1....1..0..1....0..1..1
..1..0..1....1..0..1....1..1..1....1..1..0....0..1..1....1..0..1....1..1..1
..1..0..1....1..1..1....1..1..1....1..0..1....0..1..1....1..1..1....1..1..0
..1..1..1....0..1..1....1..1..1....1..0..1....1..1..0....0..1..1....1..1..0
..1..1..1....0..1..1....0..1..1....1..1..1....1..0..1....1..0..1....1..1..1
..0..1..1....0..1..1....1..1..1....1..1..0....1..1..0....1..1..1....1..1..1
CROSSREFS
Sequence in context: A189810 A200198 A237745 * A290173 A281770 A032510
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 12 2014
STATUS
approved

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Last modified April 16 07:08 EDT 2024. Contains 371698 sequences. (Running on oeis4.)