The OEIS mourns the passing of
Jim Simons
and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A263683
as a triangular array
1
1
2
1
2
3
1
2
5
5
1
2
5
12
8
1
2
5
17
26
13
1
2
5
17
53
58
21
1
2
5
17
70
155
131
34
1
2
5
17
70
277
429
295
55
1
2
5
17
70
349
1009
1210
662
89
1
2
5
17
70
349
1658
3487
3457
1487
144
1
2
5
17
70
349
2017
A263683
as a square array
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
2
2
2
3
5
5
5
5
5
5
5
5
5
5
12
17
17
17
17
17
17
17
8
26
53
70
70
70
70
70
13
58
155
277
349
349
349
21
131
429
1009
1658
2017
34
295
1210
3487
55
662
3457
89
1487
144
A263683
as an upper right triangle
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
2
2
2
3
5
5
5
5
5
5
5
5
5
5
12
17
17
17
17
17
17
17
8
26
53
70
70
70
70
70
13
58
155
277
349
349
349
21
131
429
1009
1658
2017
34
295
1210
3487
55
662
3457
89
1487
144
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 30 08:26 EDT 2024. Contains 372962 sequences. (Running on oeis4.)