login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A162102
Number of n X n binary arrays with rows and columns, considered as binary numbers, in strictly increasing order, and no more than 3 ones in any row or column
0
2, 3, 15, 185, 3177, 70018, 1949177, 66731589, 2743349751, 132875510312
(
list
;
graph
;
refs
;
listen
;
history
;
text
;
internal format
)
OFFSET
1,1
LINKS
Table of n, a(n) for n=1..10.
CROSSREFS
Sequence in context:
A131612
A297421
A180723
*
A087975
A162103
A162104
Adjacent sequences:
A162099
A162100
A162101
*
A162103
A162104
A162105
KEYWORD
nonn
AUTHOR
R. H. Hardin
Jun 25 2009
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 April 25 07:07 EDT 2024. Contains 371964 sequences. (Running on oeis4.)