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A237842 Number of (n+1)X(n+1) 0..2 arrays with the maximum minus the lower median of every 2X2 subblock equal 0
81, 3419, 581994, 468296881, 1409401703979, 16830586464501926, 740597943169911196341, 126011977803745451656490469 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Diagonal of A237850
LINKS
EXAMPLE
Some solutions for n=2
..1..0..0....1..2..0....1..2..1....2..2..0....1..2..1....0..1..2....1..1..0
..0..2..0....0..0..0....0..1..0....0..0..0....2..1..2....2..1..1....2..1..2
..1..0..0....1..2..1....2..2..1....0..2..2....2..0..1....2..0..0....1..1..0
CROSSREFS
Sequence in context: A232945 A345005 A223477 * A223501 A053108 A237100
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 14 2014
STATUS
approved

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Last modified April 21 16:59 EDT 2024. Contains 371874 sequences. (Running on oeis4.)