The OEIS mourns the passing of
Jim Simons
and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A264562
Number of 3Xn arrays of permutations of 0..n*3-1 with rows nondecreasing modulo 2 and columns nondecreasing modulo 3.
0
1, 15, 888, 84672, 17444160, 5356808640, 2800372248576
(
list
;
graph
;
refs
;
listen
;
history
;
text
;
internal format
)
OFFSET
1,2
COMMENTS
Row 3 of
A264560
.
LINKS
Table of n, a(n) for n=1..7.
EXAMPLE
Some solutions for n=4
..6..7..9..3....0.10..6..9....6.10..0..1....0.10..6..4....6..9..7..1
..4.10..2..0....7..1..3.11....9..5..3..7....2.11..3..7....0..3.11..5
..8..1..5.11....2..8..4..5....4..2..8.11....8..5..9..1...10..4..2..8
CROSSREFS
Cf.
A264560
.
Sequence in context:
A208304
A258796
A232364
*
A211109
A249963
A157462
Adjacent sequences:
A264559
A264560
A264561
*
A264563
A264564
A264565
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
|
Recents
The OEIS Community
| Maintained by
The OEIS Foundation Inc.
License Agreements, Terms of Use, Privacy Policy.
.
Last modified May 29 04:26 EDT 2024. Contains 372921 sequences. (Running on oeis4.)