login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A198666
Number of nX5 0..4 arrays with values 0..4 introduced in row major order and each element equal to one or two horizontal and vertical neighbors
0
3, 401, 59281, 16089057, 4202762288, 1169280626549, 319298496941179, 88036039866608856, 24178531581358186023, 6652092118081667287328, 1828775268871126181679152
(
list
;
graph
;
refs
;
listen
;
history
;
text
;
internal format
)
OFFSET
1,1
COMMENTS
Column 5 of
A198669
LINKS
Table of n, a(n) for n=1..11.
EXAMPLE
Some solutions with all values 0 to 4 for n=3
..0..0..1..2..3....0..0..1..1..2....0..1..2..2..2....0..0..0..1..2
..4..4..1..2..3....0..3..3..3..2....0..1..3..3..3....1..1..1..1..2
..0..0..0..1..1....0..4..4..0..0....4..4..4..4..3....1..3..3..4..4
CROSSREFS
Sequence in context:
A137023
A203563
A181990
*
A330014
A305664
A152517
Adjacent sequences:
A198663
A198664
A198665
*
A198667
A198668
A198669
KEYWORD
nonn
AUTHOR
R. H. Hardin
Oct 28 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 March 28 10:55 EDT 2024. Contains 371241 sequences. (Running on oeis4.)