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
!)
A143327
as a triangular array
1
1
1
1
2
1
1
3
5
1
1
4
11
11
1
1
5
19
35
26
1
1
6
29
79
115
53
1
1
7
41
149
334
347
116
1
1
8
55
251
773
1339
1075
236
1
1
9
71
391
1546
3869
5434
3235
488
1
1
10
89
575
2791
9281
19493
21754
9787
983
1
1
11
A143327
as a square array
1
1
1
1
1
1
1
1
1
1
1
1
1
2
3
4
5
6
7
8
9
10
11
1
5
11
19
29
41
55
71
89
1
11
35
79
149
251
391
575
1
26
115
334
773
1546
2791
1
53
347
1339
3869
9281
1
116
1075
5434
19493
1
236
3235
21754
1
488
9787
1
983
1
A143327
as an upper right triangle
1
1
1
1
1
1
1
1
1
1
1
1
1
2
3
4
5
6
7
8
9
10
11
1
5
11
19
29
41
55
71
89
1
11
35
79
149
251
391
575
1
26
115
334
773
1546
2791
1
53
347
1339
3869
9281
1
116
1075
5434
19493
1
236
3235
21754
1
488
9787
1
983
1
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 17 00:45 EDT 2024. Contains 372555 sequences. (Running on oeis4.)