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.

A016040 Integer part of Chebyshev's theta function: floor( log(Product_{k=1..n} prime(k)) ).

Table of values

n a(n)
1 0
2 1
3 3
4 5
5 7
6 10
7 13
8 16
9 19
10 22
11 26
12 29
13 33
14 37
15 40
16 44
17 49
18 53
19 57
20 61
21 65
22 70
23 74
24 79
25 83
26 88
27 92
28 97
29 102
30 107
31 111
32 116
33 121
34 126
35 131
36 136
37 141
38 146
39 151
40 157
41 162
42 167
43 172
44 177
45 183
46 188
47 193
48 199
49 204
50 210
51 215
52 221
53 226
54 232
55 237
56 243
57 248

List of values

[0, 1, 3, 5, 7, 10, 13, 16, 19, 22, 26, 29, 33, 37, 40, 44, 49, 53, 57, 61, 65, 70, 74, 79, 83, 88, 92, 97, 102, 107, 111, 116, 121, 126, 131, 136, 141, 146, 151, 157, 162, 167, 172, 177, 183, 188, 193, 199, 204, 210, 215, 221, 226, 232, 237, 243, 248]