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A267993 Number of 4Xn arrays containing n copies of 0..4-1 with row sums and column sums nondecreasing. 0
1, 189, 7477, 425488, 20924732, 1102544770, 53379559302, 2649768641528 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Row 4 of A267990.
LINKS
EXAMPLE
Some solutions for n=3
..0..0..3....1..0..2....0..1..2....0..0..1....1..0..0....1..2..0....0..0..0
..1..2..0....2..1..0....0..2..1....2..1..2....0..3..2....1..1..3....2..1..2
..1..3..1....1..2..3....1..3..2....0..3..3....1..2..3....2..0..3....1..2..3
..2..2..3....0..3..3....3..0..3....1..3..2....1..2..3....0..2..3....1..3..3
CROSSREFS
Cf. A267990.
Sequence in context: A211819 A266135 A133351 * A286791 A076012 A092136
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 23 2016
STATUS
approved

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Last modified July 19 19:39 EDT 2024. Contains 374436 sequences. (Running on oeis4.)