A238037 T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with the (lower) medians of each row and column unequal to its neighbors

36, 122, 122, 596, 1004, 596, 2124, 6218, 6218, 2124, 9672, 57540, 157940, 57540, 9672, 35418, 305978, 1893380, 1893380, 305978, 35418, 155892, 3010316, 40950296, 63947968, 40950296, 3010316, 155892, 580596, 14910890, 527036922, 1639117920

Offset

1,1

Comments

Table starts

......36........122...........596...........2124............9672

.....122.......1004..........6218..........57540..........305978

.....596.......6218........157940........1893380........40950296

....2124......57540.......1893380.......63947968......1639117920

....9672.....305978......40950296.....1639117920....169745328864

...35418....3010316.....527036922....61873800756...7640505827898

..155892...14910890...10550112212..1407575850212.699474355950552

..580596..152094052..141752654204.56781414397168

.2505336..724320722.2711112696296

.9438692.7559479508

Links

R. H. Hardin, Table of n, a(n) for n = 1..71

Example

Some solutions for n=3 k=4
..0..0..0..0..0..1....0..0..0..0..0..1....0..0..0..0..0..1....0..0..0..0..0..0
..1..1..0..1..1..0....1..1..1..1..0..1....1..1..0..0..1..1....1..1..1..0..1..0
..0..0..0..1..0..0....0..0..0..1..0..0....0..1..1..1..0..0....1..0..1..1..0..0
..1..1..1..1..0..1....0..1..0..1..1..1....0..1..1..1..0..1....1..1..1..0..1..1
..0..1..0..0..1..1....0..1..1..0..1..0....0..0..0..1..0..1....0..0..1..0..1..1

Crossrefs

Sequence in context: A333007 A016862 A223506 * A238032 A365506 A250625

Adjacent sequences: A238034 A238035 A238036 * A238038 A238039 A238040

Keyword

nonn,tabl

Author

R. H. Hardin, Feb 17 2014

Status

approved