login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A237794
T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with the (lower) medians of each row equal and of each column equal
3
6640, 122260, 122260, 4995424, 33108928, 4995424, 102708184, 1971669364, 1971669364, 102708184, 3094685248, 518886911776, 2405641138384, 518886911776, 3094685248, 66258357796, 28826088968548, 924622251445704, 924622251445704
OFFSET
1,1
COMMENTS
Table starts
........6640.........122260.........4995424.......102708184.........3094685248
......122260.......33108928......1971669364....518886911776.....28826088968548
.....4995424.....1971669364...2405641138384.924622251445704.724045977072915424
...102708184...518886911776.924622251445704
..3094685248.28826088968548
.66258357796
LINKS
EXAMPLE
Some solutions for n=1 k=4
..0..0..0..0..1..0....0..0..0..0..0..0....0..0..1..1..3..3....0..0..0..3..3..0
..1..0..0..3..0..3....0..0..2..1..0..0....1..1..1..2..0..1....0..1..1..0..0..0
..0..0..1..0..0..0....0..1..0..0..1..2....1..1..1..0..1..0....1..0..0..0..0..3
CROSSREFS
Sequence in context: A345816 A250539 A251796 * A237792 A345571 A345827
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Feb 13 2014
STATUS
approved