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A237745
T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with the (lower) medians of each row equal and of each column equal
6
68, 290, 290, 1412, 7552, 1412, 5708, 39842, 39842, 5708, 25832, 938176, 608372, 938176, 25832, 103538, 5871266, 12331252, 12331252, 5871266, 103538, 447332, 119520256, 213982232, 1727378144, 213982232, 119520256, 447332, 1790084
OFFSET
1,1
COMMENTS
Table starts
.......68...........290............1412...............5708..............25832
......290..........7552...........39842.............938176............5871266
.....1412.........39842..........608372...........12331252..........213982232
.....5708........938176........12331252.........1727378144........27738515408
....25832.......5871266.......213982232........27738515408......1405996950752
...103538.....119520256......3813889762......3276185440256....135526127886578
...447332.....847692866.....67892256692.....62580997848692...8101710521927192
..1790084...15310585024...1145451277532...6267389933189344.662870061789157280
..7524728..118493356610..20262099994952.137204103504548368
.30101684.1955650250944.333280098908492
LINKS
EXAMPLE
Some solutions for n=2 k=4
..0..0..0..0..0..1....0..0..0..0..1..0....0..0..0..0..0..0....0..0..0..0..0..1
..0..0..0..0..1..0....0..1..0..0..0..1....1..0..1..1..0..0....1..1..0..0..0..1
..0..1..0..0..0..1....0..0..1..0..1..1....0..0..1..0..0..0....0..0..1..0..1..0
..0..0..0..1..1..0....0..0..1..0..0..0....0..0..0..1..0..1....0..1..1..0..0..0
CROSSREFS
Sequence in context: A292344 A189810 A200198 * A237740 A290173 A281770
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Feb 12 2014
STATUS
approved