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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.

A098358 Multiplication table of the triangular numbers read by antidiagonals.

Table of values

n a(n)
0 1
1 3
2 3
3 6
4 9
5 6
6 10
7 18
8 18
9 10
10 15
11 30
12 36
13 30
14 15
15 21
16 45
17 60
18 60
19 45
20 21
21 28
22 63
23 90
24 100
25 90
26 63
27 28
28 36
29 84
30 126
31 150
32 150
33 126
34 84
35 36
36 45
37 108
38 168
39 210
40 225
41 210
42 168
43 108
44 45
45 55
46 135
47 216
48 280
49 315
50 315
51 280
52 216
53 135
54 55
55 66
56 165
57 270
58 360
59 420
60 441
61 420
62 360

List of values

[1, 3, 3, 6, 9, 6, 10, 18, 18, 10, 15, 30, 36, 30, 15, 21, 45, 60, 60, 45, 21, 28, 63, 90, 100, 90, 63, 28, 36, 84, 126, 150, 150, 126, 84, 36, 45, 108, 168, 210, 225, 210, 168, 108, 45, 55, 135, 216, 280, 315, 315, 280, 216, 135, 55, 66, 165, 270, 360, 420, 441, 420, 360]

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

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