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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.

A220698 Indices of triangular numbers generated in A224218.

Table of values

n a(n)
1 1
2 6
3 6
4 14
5 14
6 14
7 14
8 43
9 43
10 36
11 57
12 36
13 52
14 43
15 49
16 43
17 89
18 52
19 89
20 52
21 121
22 49
23 52
24 57
25 70
26 89
27 249
28 89
29 89
30 89
31 70
32 166
33 166
34 103
35 89
36 121
37 103
38 103
39 121
40 89
41 103
42 241
43 158
44 158
45 91
46 91
47 91
48 91
49 241
50 166
51 166
52 103
53 121
54 103
55 103
56 121
57 103
58 121
59 225
60 225
61 497
62 216
63 334

List of values

[1, 6, 6, 14, 14, 14, 14, 43, 43, 36, 57, 36, 52, 43, 49, 43, 89, 52, 89, 52, 121, 49, 52, 57, 70, 89, 249, 89, 89, 89, 70, 166, 166, 103, 89, 121, 103, 103, 121, 89, 103, 241, 158, 158, 91, 91, 91, 91, 241, 166, 166, 103, 121, 103, 103, 121, 103, 121, 225, 225, 497, 216, 334]

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

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