[go: up one dir, main page]
login
The OEIS is supported by the many generous donors to the OEIS Foundation.
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A201386
Number of n X n 0..3 arrays with rows and columns lexicographically nondecreasing and the instance counts of every value within one of each other
0
4, 8, 1606, 312604, 9842070647, 264043688162138
(list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Diagonal of A201393
LINKS
Table of n, a(n) for n=1..6.
EXAMPLE
Some solutions for n=3
..0..1..2....0..0..1....0..1..2....0..3..3....0..2..3....0..0..3....0..1..1
..1..0..2....1..2..2....2..1..2....2..1..1....2..2..1....1..1..2....2..0..0
..3..3..1....2..3..3....3..3..0....3..0..2....3..1..0....3..3..2....2..3..3
CROSSREFS
Sequence in context: A013442 A013441 A013445 * A009511 A057841 A069883
Adjacent sequences: A201383 A201384 A201385 * A201387 A201388 A201389
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 30 2011
STATUS
approved

Lookup Welcome Wiki Register Music Plot 2 Demos Index WebCam Contribute Format Style Sheet Transforms Superseeker Recents
The OEIS Community
Maintained by The OEIS Foundation Inc.
Last modified October 5 04:48 EDT 2024. Contains 376530 sequences.
License Agreements, Terms of Use, Privacy Policy