login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A018756
as a simple table
n
a(n)
1
1
2
2
3
4
4
5
5
7
6
10
7
14
8
20
9
28
10
35
11
49
12
70
13
98
14
140
15
196
16
245
17
490
18
980
[1,2,4,5,7,10,14,20,28,35,49,70,98,140,196,245, 490,980]
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 20 03:03 EDT 2024. Contains 371798 sequences. (Running on oeis4.)
