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A268102
Number of nX4 0..4 arrays with every repeated value in every row and column greater than or equal to the previous repeated value.
1
615, 378225, 232608375, 134114290153, 74223748225767, 39628019998736362, 20521193142295758827, 10349487304333681128069, 5100109128493173791160887, 2462335083143368720711957677, 1167299758811224888022222919608
OFFSET
1,1
COMMENTS
Column 4 of A268103.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0
..0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0
..0..0..0..3....0..0..0..4....0..0..0..0....0..0..0..4....0..0..0..4
..0..0..0..0....0..0..1..4....0..0..3..0....0..0..1..1....0..0..2..1
..2..2..4..0....1..2..0..3....2..3..2..2....4..0..2..2....4..2..3..2
CROSSREFS
Cf. A268103.
Sequence in context: A195809 A252923 A268245 * A190029 A252252 A260367
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 26 2016
STATUS
approved