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.

A156024 a(n) = n*(n+1)/2 - A156022(n).

Table of values

n a(n)
1 0
2 1
3 2
4 4
5 6
6 9
7 12
8 15
9 19
10 23
11 27
12 32
13 37
14 42
15 48
16 54
17 60
18 66
19 73
20 80
21 87
22 94
23 101
24 109
25 117
26 125
27 133
28 142
29 151
30 160
31 169
32 178
33 187
34 197
35 207
36 217
37 227
38 238
39 249
40 260
41 271
42 282
43 293
44 304
45 316
46 328
47 340
48 352
49 364
50 377
51 390
52 402
53 415
54 428
55 441
56 454
57 468
58 482

List of values

[0, 1, 2, 4, 6, 9, 12, 15, 19, 23, 27, 32, 37, 42, 48, 54, 60, 66, 73, 80, 87, 94, 101, 109, 117, 125, 133, 142, 151, 160, 169, 178, 187, 197, 207, 217, 227, 238, 249, 260, 271, 282, 293, 304, 316, 328, 340, 352, 364, 377, 390, 402, 415, 428, 441, 454, 468, 482]