cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A185983 Triangle read by rows: number of set partitions of n elements with k circular connectors.

Table of values

n a(n)
0 1
1 1
2 0
3 1
4 0
5 1
6 1
7 0
8 3
9 1
10 1
11 0
12 8
13 4
14 2
15 1
16 1
17 20
18 15
19 14
20 1
21 1
22 6
23 53
24 61
25 68
26 11
27 3
28 1
29 25
30 159
31 267
32 295
33 97
34 32
35 1
36 1
37 93
38 556
39 1184
40 1339
41 694
42 242
43 28
44 3
45 1
46 346
47 2195
48 5366
49 6620
50 4436
51 1762
52 371
53 48
54 2
55 1
56 1356
57 9413
58 25400
59 34991
60 27497
61 12977
62 3650
63 634
64 53
65 3

List of values

[1, 1, 0, 1, 0, 1, 1, 0, 3, 1, 1, 0, 8, 4, 2, 1, 1, 20, 15, 14, 1, 1, 6, 53, 61, 68, 11, 3, 1, 25, 159, 267, 295, 97, 32, 1, 1, 93, 556, 1184, 1339, 694, 242, 28, 3, 1, 346, 2195, 5366, 6620, 4436, 1762, 371, 48, 2, 1, 1356, 9413, 25400, 34991, 27497, 12977, 3650, 634, 53, 3]