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A201068 Number of nX4 0..6 arrays with every row and column nondecreasing rightwards and downwards, and the number of instances of each value within one of each other 1
35, 77, 2611, 22440, 43308, 1127514, 175865, 20393189, 14766300, 158314010, 495900141, 452698962, 6176064188, 493804760, 39573007249, 18657025428, 128820947525, 280570465208, 193035367346, 1994641001437, 119475251989 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 4 of A201072
LINKS
EXAMPLE
Some solutions for n=5
..0..1..3..4....0..0..1..2....0..0..2..3....0..1..1..3....0..0..2..3
..0..2..3..4....0..1..3..4....0..2..3..5....0..2..2..3....0..1..3..4
..1..2..4..5....1..2..4..5....1..2..4..5....0..4..5..5....1..2..3..5
..1..2..5..6....2..3..4..5....1..3..4..5....1..4..5..6....1..4..4..6
..3..5..6..6....3..6..6..6....1..6..6..6....2..4..6..6....5..5..6..6
CROSSREFS
Sequence in context: A257750 A257751 A259282 * A111144 A267555 A201632
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 26 2011
STATUS
approved

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Last modified May 26 14:42 EDT 2024. Contains 372826 sequences. (Running on oeis4.)