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A268204 T(n,k)=Number of nXk 0..k arrays with every repeated value in every row and column greater than the previous repeated value. 5
2, 9, 4, 60, 81, 6, 570, 3600, 576, 9, 6960, 324900, 178068, 3969, 12, 104006, 48441600, 157322070, 8459154, 25281, 16, 1837752, 10817248036, 292870561470, 73055876226, 376812420, 155236, 20, 37478718, 3377332413504, 994136348047368 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Table starts

..2......9..........60............570.............6960...............104006

..4.....81........3600.........324900.........48441600..........10817248036

..6....576......178068......157322070.....292870561470......994136348047368

..9...3969.....8459154....73055876226.1699631089239529.87855957137937824257

.12..25281...376812420.32082001964881

.16.155236.16109362560

.20.915849

.25

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..40

EXAMPLE

Some solutions for n=3 k=4

..0..0..2..4....0..0..3..3....0..0..2..2....0..0..4..3....0..0..2..4

..0..1..3..1....0..0..1..0....0..1..0..3....0..1..4..2....0..1..3..2

..1..3..3..0....1..1..3..4....1..3..4..0....1..3..2..1....1..2..3..3

CROSSREFS

Column 1 is A002620(n+2).

Column 2 is A267961.

Column 3 is A267930.

Sequence in context: A038215 A264110 A119019 * A268249 A268246 A268103

Adjacent sequences:  A268201 A268202 A268203 * A268205 A268206 A268207

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin, Jan 28 2016

STATUS

approved

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Last modified September 25 18:51 EDT 2021. Contains 347659 sequences. (Running on oeis4.)