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.

A339573 a(n) = floor(n*(n+1)/6) - 1.

Table of values

n a(n)
2 0
3 1
4 2
5 4
6 6
7 8
8 11
9 14
10 17
11 21
12 25
13 29
14 34
15 39
16 44
17 50
18 56
19 62
20 69
21 76
22 83
23 91
24 99
25 107
26 116
27 125
28 134
29 144
30 154
31 164
32 175
33 186
34 197
35 209
36 221
37 233
38 246
39 259
40 272
41 286
42 300
43 314
44 329
45 344
46 359
47 375
48 391
49 407
50 424
51 441
52 458
53 476
54 494
55 512
56 531
57 550
58 569
59 589
60 609
61 629
62 650
63 671
64 692

List of values

[0, 1, 2, 4, 6, 8, 11, 14, 17, 21, 25, 29, 34, 39, 44, 50, 56, 62, 69, 76, 83, 91, 99, 107, 116, 125, 134, 144, 154, 164, 175, 186, 197, 209, 221, 233, 246, 259, 272, 286, 300, 314, 329, 344, 359, 375, 391, 407, 424, 441, 458, 476, 494, 512, 531, 550, 569, 589, 609, 629, 650, 671, 692]