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A235824 T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with the difference of the upper median and minimum value of each 2X2 subblock in lexicographically nondecreasing order columnwise and nonincreasing rowwise 6
256, 2896, 2896, 29902, 91067, 29902, 283672, 2623192, 2571976, 283672, 2573798, 66311937, 207321076, 64246449, 2573798, 22515040, 1570352593, 14451129835, 14397784435, 1503158739, 22515040, 192101098, 34846608905, 941802350503 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Table starts
........256.........2896..........29902..........283672.........2573798
.......2896........91067........2623192........66311937......1570352593
......29902......2571976......207321076.....14451129835....941802350503
.....283672.....64246449....14397784435...2855211911294.542901316539098
....2573798...1503158739...927626379839.532865298104737
...22515040..33037099974.55289364866072
..192101098.695342067696
.1606970816
LINKS
EXAMPLE
Some solutions for n=2 k=4
..0..0..1..3..2....0..0..2..3..3....0..0..2..2..1....0..0..1..2..0
..0..0..3..3..0....0..0..1..3..1....0..0..1..2..2....0..0..2..2..0
..0..0..0..3..3....0..1..0..2..0....0..0..1..3..1....0..0..0..1..1
CROSSREFS
Column 1 and row 1 are A235579
Sequence in context: A235818 A235577 A235574 * A235582 A236657 A235579
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Jan 16 2014
STATUS
approved

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Last modified February 22 16:01 EST 2024. Contains 370256 sequences. (Running on oeis4.)