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A201428
Number of nX4 0..2 arrays with rows and columns lexicographically nondecreasing and the instance counts of every value within one of each other.
1
3, 76, 622, 33740, 561271, 2740779, 96745050, 1042095316, 3442865393, 88529711419, 713489134252, 1807746313421, 37066136105268, 241902857874013, 503427752952568, 8681256219590301, 48116992979572975, 85825473881325409
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OFFSET
1,1
COMMENTS
Column 4 of
A201432
LINKS
R. H. Hardin,
Table of n, a(n) for n = 1..37
EXAMPLE
Some solutions for n=4
..0..1..1..1....0..0..0..2....0..0..0..2....0..1..1..2....0..0..0..1
..2..0..1..2....1..1..2..1....0..1..2..1....0..2..2..0....1..1..2..0
..2..0..1..2....1..1..2..1....1..1..2..0....1..0..0..2....1..2..2..1
..2..2..0..0....2..2..0..0....2..1..2..2....2..0..1..1....2..2..2..0
CROSSREFS
Sequence in context:
A037110
A168385
A042267
*
A141103
A300386
A054747
Adjacent sequences:
A201425
A201426
A201427
*
A201429
A201430
A201431
KEYWORD
nonn
AUTHOR
R. H. Hardin
, Dec 01 2011
STATUS
approved
