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
!)
A108350
as a triangular array
1
1
1
1
2
1
1
3
3
1
1
4
7
4
1
1
5
13
13
5
1
1
6
21
32
21
6
1
1
7
31
65
65
31
7
1
1
8
43
116
161
116
43
8
1
1
9
57
189
341
341
189
57
9
1
1
10
73
288
645
842
645
288
73
10
1
1
11
91
417
1121
1827
1827
1121
417
91
A108350
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
3
7
13
21
31
43
57
73
91
1
4
13
32
65
116
189
288
417
1
5
21
65
161
341
645
1121
1
6
31
116
341
842
1827
1
7
43
189
645
1827
1
8
57
288
1121
1
9
73
417
1
10
91
1
A108350
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
3
7
13
21
31
43
57
73
91
1
4
13
32
65
116
189
288
417
1
5
21
65
161
341
645
1121
1
6
31
116
341
842
1827
1
7
43
189
645
1827
1
8
57
288
1121
1
9
73
417
1
10
91
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 23 17:39 EDT 2024. Contains 372765 sequences. (Running on oeis4.)
