login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A201728
Number of nX7 0..4 arrays with rows and columns lexicographically nondecreasing and no element equal to the number of horizontal and vertical neighbors equal to itself
0
116, 213013, 1757594146, 15249209002599, 100953294298736546
(
list
;
graph
;
refs
;
listen
;
history
;
text
;
internal format
)
OFFSET
1,1
COMMENTS
Column 7 of
A201729
LINKS
Table of n, a(n) for n=1..5.
EXAMPLE
Some solutions for 2X2
..0..0..0..2..3..4..4....0..0..1..2..3..4..4....0..0..0..1..3..3..3
..0..0..1..3..3..1..3....0..0..2..4..4..4..4....0..2..3..4..1..2..4
CROSSREFS
Sequence in context:
A035814
A284377
A009617
*
A009687
A050660
A176568
Adjacent sequences:
A201725
A201726
A201727
*
A201729
A201730
A201731
KEYWORD
nonn
AUTHOR
R. H. Hardin
Dec 04 2011
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 11 02:15 EDT 2024. Contains 372388 sequences. (Running on oeis4.)