login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A264559 Number of nX3 arrays of permutations of 0..n*3-1 with rows nondecreasing modulo 2 and columns nondecreasing modulo 3. 0
2, 24, 888, 58368, 7019136, 1202698368 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A264560.

LINKS

Table of n, a(n) for n=1..6.

EXAMPLE

Some solutions for n=4

..0..6..3....9..1..3...10..6..3....6..0..3....9..7..3....3.11..9....6..0.10

.10..4..9....0..4..2....7..9..1....1..5..9....0..4..6....6..8..0....3..9..7

..1..7..5....6..7.11....4..0..5....4..8..7...10..2..8....7..5..1....5.11..1

..2..8.11...10..8..5....8..2.11...10..2.11....1..5.11...10..2..4....8..2..4

CROSSREFS

Cf. A264560.

Sequence in context: A265879 A172492 A322895 * A012186 A012081 A137274

Adjacent sequences:  A264556 A264557 A264558 * A264560 A264561 A264562

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 17 2015

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified June 16 10:03 EDT 2019. Contains 324152 sequences. (Running on oeis4.)