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.

A132106 a(n) = 1 + floor(sqrt(n)) + Sum_{i=1..n} floor(n/i).

Table of values

n a(n)
0 1
1 3
2 5
3 7
4 11
5 13
6 17
7 19
8 23
9 27
10 31
11 33
12 39
13 41
14 45
15 49
16 55
17 57
18 63
19 65
20 71
21 75
22 79
23 81
24 89
25 93
26 97
27 101
28 107
29 109
30 117
31 119
32 125
33 129
34 133
35 137
36 147
37 149
38 153
39 157
40 165
41 167
42 175
43 177
44 183
45 189
46 193
47 195
48 205
49 209
50 215
51 219
52 225
53 227
54 235
55 239
56 247
57 251
58 255
59 257
60 269

List of values

[1, 3, 5, 7, 11, 13, 17, 19, 23, 27, 31, 33, 39, 41, 45, 49, 55, 57, 63, 65, 71, 75, 79, 81, 89, 93, 97, 101, 107, 109, 117, 119, 125, 129, 133, 137, 147, 149, 153, 157, 165, 167, 175, 177, 183, 189, 193, 195, 205, 209, 215, 219, 225, 227, 235, 239, 247, 251, 255, 257, 269]