A237740 Number of (n+2)X(1+2) 0..1 arrays with the (lower) medians of each row equal and of each column equal

68, 290, 1412, 5708, 25832, 103538, 447332, 1790084, 7524728, 30101684, 124437224, 497759192, 2036030288, 8144159762, 33083125028, 132332645972, 535071925208, 2140288255100, 8626608745592, 34506437098664, 138775530904496

Offset

1,1

Comments

Column 1 of A237745

Links

R. H. Hardin, Table of n, a(n) for n = 1..132

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

Adjacent sequences: A237737 A237738 A237739 * A237741 A237742 A237743

Keyword

nonn

Author

R. H. Hardin, Feb 12 2014

Status

approved