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A201102 Number of n X 2 0..7 arrays with every row and column running average nondecreasing rightwards and downwards, and the number of instances of each value within one of each other. 1
28, 140, 334, 103, 14881, 246332, 838638, 324469, 54328646, 960991707, 3157790020, 1057637803, 221465699177, 4636455864017, 17172840400292, 6213696250684, 1322921262723003, 27235717697960253, 96311573893944098, 32407513702617077 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 2 of A201105.
LINKS
EXAMPLE
Some solutions for n=5
..0..2....0..1....0..1....0..2....0..1....0..1....0..3....0..2....0..3....0..1
..0..3....2..3....0..4....1..6....3..5....0..1....2..4....0..5....0..3....2..6
..1..4....1..2....2..3....4..7....2..4....2..3....1..7....1..4....1..6....2..5
..4..5....5..7....1..5....3..5....6..6....5..6....4..6....3..7....4..5....3..7
..6..7....4..6....6..7....2..6....4..7....4..7....2..5....5..6....2..7....4..7
CROSSREFS
Cf. A201105.
Sequence in context: A239205 A050973 A095301 * A317680 A042530 A042532
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 26 2011
STATUS
approved

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Last modified September 7 23:15 EDT 2024. Contains 375749 sequences. (Running on oeis4.)