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.

A022819 a(n) = floor(1/(n-1) + 2/(n-2) + 3/(n-3) + ... + (n-1)/1).

Table of values

n a(n)
0 0
1 0
2 1
3 2
4 4
5 6
6 8
7 11
8 13
9 16
10 19
11 22
12 25
13 28
14 31
15 34
16 38
17 41
18 44
19 48
20 51
21 55
22 59
23 62
24 66
25 70
26 74
27 78
28 81
29 85
30 89
31 93
32 97
33 101
34 106
35 110
36 114
37 118
38 122
39 126
40 131
41 135
42 139
43 144
44 148
45 152
46 157
47 161
48 166
49 170
50 174
51 179
52 183
53 188
54 193
55 197
56 202
57 206
58 211
59 216

List of values

[0, 0, 1, 2, 4, 6, 8, 11, 13, 16, 19, 22, 25, 28, 31, 34, 38, 41, 44, 48, 51, 55, 59, 62, 66, 70, 74, 78, 81, 85, 89, 93, 97, 101, 106, 110, 114, 118, 122, 126, 131, 135, 139, 144, 148, 152, 157, 161, 166, 170, 174, 179, 183, 188, 193, 197, 202, 206, 211, 216]