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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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A268103.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..16

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

Adjacent sequences:  A268099 A268100 A268101 * A268103 A268104 A268105

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 26 2016

STATUS

approved

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Last modified September 19 00:22 EDT 2021. Contains 347549 sequences. (Running on oeis4.)