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A200710 Number of n X 4 0..7 arrays with every row and column running average nondecreasing rightwards and downwards. 1
638, 95567, 12904303, 1630978608, 195675787426, 22525604271509, 2512851095363929, 273566206900264111, 29225435372492971841, 3075465941063432826683, 319691253286956006425052 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 4 of A200713.
LINKS
EXAMPLE
Some solutions for n=3
..0..0..0..0....0..0..0..0....0..0..1..1....0..0..0..1....0..0..1..1
..0..4..2..3....1..1..3..3....0..0..1..1....0..2..1..1....0..0..3..2
..0..3..4..3....1..3..3..5....5..6..6..7....2..2..2..5....1..3..2..4
CROSSREFS
Cf. A200713.
Sequence in context: A210883 A360183 A281884 * A250661 A250587 A293922
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 20 2011
STATUS
approved

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Last modified July 20 04:35 EDT 2024. Contains 374441 sequences. (Running on oeis4.)