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A224056 Number of nX7 0..2 arrays with rows and columns unimodal and antidiagonals nondecreasing 1
239, 10511, 164781, 1442005, 9064541, 46853641, 212819499, 880290006, 3395883003, 12434367863, 43748614669, 149023329961, 493368821453, 1589792417862, 4986883506257, 15223339574692, 45212829646621 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 7 of A224057
LINKS
FORMULA
Empirical polynomial of degree 28 (see link above)
EXAMPLE
Some solutions for n=3
..0..0..0..0..0..0..2....0..0..0..0..0..2..1....0..0..0..0..0..0..2
..0..0..0..1..1..2..2....0..0..0..2..2..2..0....0..0..0..1..1..2..0
..1..1..1..1..2..2..2....0..2..2..2..2..2..0....1..2..2..2..2..1..0
CROSSREFS
Sequence in context: A223917 A224189 A223932 * A224309 A224373 A278852
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 30 2013
STATUS
approved

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Last modified June 17 06:18 EDT 2024. Contains 373432 sequences. (Running on oeis4.)