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.

A108581 Positive triangular numbers repeated their own number of times.

Table of values

n a(n)
1 1
2 3
3 3
4 3
5 6
6 6
7 6
8 6
9 6
10 6
11 10
12 10
13 10
14 10
15 10
16 10
17 10
18 10
19 10
20 10
21 15
22 15
23 15
24 15
25 15
26 15
27 15
28 15
29 15
30 15
31 15
32 15
33 15
34 15
35 15
36 21
37 21
38 21
39 21
40 21
41 21
42 21
43 21
44 21
45 21
46 21
47 21
48 21
49 21
50 21
51 21
52 21
53 21
54 21
55 21
56 21
57 28
58 28
59 28
60 28
61 28
62 28
63 28
64 28
65 28
66 28
67 28
68 28
69 28
70 28
71 28
72 28
73 28

List of values

[1, 3, 3, 3, 6, 6, 6, 6, 6, 6, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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