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.

A198759 The number of pairs of braces to note the properly nested set with n elements.

Table of values

n a(n)
0 1
1 2
2 4
3 7
4 11
5 15
6 20
7 25
8 30
9 36
10 42
11 48
12 54
13 60
14 66
15 73
16 80
17 87
18 94
19 101
20 108
21 115
22 122
23 129
24 136
25 143
26 150
27 158
28 166
29 174
30 182
31 190
32 198
33 206
34 214
35 222
36 230
37 238
38 246
39 254
40 262
41 270
42 278
43 286
44 294
45 302
46 310
47 318
48 326
49 334
50 342
51 350
52 359
53 368
54 377
55 386
56 395

List of values

[1, 2, 4, 7, 11, 15, 20, 25, 30, 36, 42, 48, 54, 60, 66, 73, 80, 87, 94, 101, 108, 115, 122, 129, 136, 143, 150, 158, 166, 174, 182, 190, 198, 206, 214, 222, 230, 238, 246, 254, 262, 270, 278, 286, 294, 302, 310, 318, 326, 334, 342, 350, 359, 368, 377, 386, 395]