login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A220286
Equals one maps: number of nX5 binary arrays indicating the locations of corresponding elements equal to exactly one of their horizontal and vertical neighbors in a random 0..1 nX5 array
0
16, 424, 9430, 232795, 5691450, 147661377
(
list
;
graph
;
refs
;
listen
;
history
;
text
;
internal format
)
OFFSET
1,1
COMMENTS
Column 5 of
A220287
LINKS
Table of n, a(n) for n=1..6.
EXAMPLE
Some solutions for n=3
..0..1..0..1..0....1..0..1..1..0....1..0..0..1..1....0..1..0..0..1
..1..1..0..1..1....0..0..1..1..1....0..0..0..1..0....1..0..0..0..0
..1..1..1..1..1....0..0..1..0..1....1..1..0..1..1....1..1..1..1..0
CROSSREFS
Sequence in context:
A268053
A268076
A202546
*
A322713
A359642
A275035
Adjacent sequences:
A220283
A220284
A220285
*
A220287
A220288
A220289
KEYWORD
nonn
AUTHOR
R. H. Hardin
Dec 09 2012
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 July 16 23:11 EDT 2024. Contains 374360 sequences. (Running on oeis4.)