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.

A228823 Triangle read by rows: T(n,k) = total number of parts in all partitions of n that contain k as a part, n>=1, 1<=k<=n.

Table of values

n a(n)
1 1
2 2
3 1
4 5
5 2
6 1
7 9
8 5
9 2
10 1
11 17
12 9
13 5
14 2
15 1
16 27
17 17
18 9
19 5
20 2
21 1
22 46
23 27
24 17
25 9
26 5
27 2
28 1
29 69
30 46
31 27
32 17
33 9
34 5
35 2
36 1
37 108
38 69
39 46
40 27
41 17
42 9
43 5
44 2
45 1
46 158
47 108
48 69
49 46
50 27
51 17
52 9
53 5
54 2
55 1
56 234
57 158
58 108
59 69
60 46
61 27
62 17
63 9
64 5
65 2
66 1
67 331
68 234
69 158
70 108
71 69

List of values

[1, 2, 1, 5, 2, 1, 9, 5, 2, 1, 17, 9, 5, 2, 1, 27, 17, 9, 5, 2, 1, 46, 27, 17, 9, 5, 2, 1, 69, 46, 27, 17, 9, 5, 2, 1, 108, 69, 46, 27, 17, 9, 5, 2, 1, 158, 108, 69, 46, 27, 17, 9, 5, 2, 1, 234, 158, 108, 69, 46, 27, 17, 9, 5, 2, 1, 331, 234, 158, 108, 69]