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A224209 Number of 7Xn 0..3 arrays with rows unimodal and antidiagonals nondecreasing 1
16384, 16000000, 1193130640, 27957232796, 357890479324, 3202561268692, 22835261226043, 140870217477853, 798868058955840, 4366075666967023, 23746055907139887, 130168228650264603, 715616641125345679 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Row 7 of A224204
LINKS
FORMULA
Empirical polynomial of degree 42 (see link above)
EXAMPLE
Some solutions for n=3
..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0
..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0
..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0
..2..2..1....2..2..0....2..2..3....0..0..2....0..0..0....0..2..1....0..0..1
..3..1..1....2..2..2....3..3..1....2..2..3....2..2..0....3..3..0....2..1..1
..3..2..2....3..2..1....3..1..0....3..3..0....2..2..3....3..0..0....2..1..0
..2..3..3....2..2..0....1..1..2....3..3..0....3..3..2....1..3..2....3..3..1
CROSSREFS
Sequence in context: A224396 A224029 A224286 * A017035 A326252 A269295
KEYWORD
nonn
AUTHOR
R. H. Hardin Apr 01 2013
STATUS
approved

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Last modified March 28 05:39 EDT 2024. Contains 371235 sequences. (Running on oeis4.)