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A235580 Number of (n+1)X(2+1) 0..3 arrays with the difference of the upper median and minimum value of each 2X2 subblock in lexicographically nondecreasing order rowwise and columnwise 1
2896, 100653, 3187679, 88558785, 2266703217, 53743314489, 1204872525582, 25761758641087, 530640585223234, 10596542672869573, 206322100962240719, 3933589245572314823, 73696129029630789335, 1360660167404660439759 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 2 of A235582
LINKS
EXAMPLE
Some solutions for n=2
..0..1..3....3..2..3....1..1..0....2..1..3....1..2..0....3..2..3....1..0..1
..1..3..0....2..2..0....3..1..2....0..0..2....1..3..1....1..2..3....0..2..2
..0..2..3....3..3..1....3..2..1....2..3..3....3..3..0....2..3..1....2..2..2
CROSSREFS
Sequence in context: A236655 A235822 A235825 * A285756 A248109 A219963
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 12 2014
STATUS
approved

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Last modified February 24 22:04 EST 2024. Contains 370307 sequences. (Running on oeis4.)