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.

A154943 Decimal expansion of the negated value of the sum_q [log(1-1/q)+1/q] over the semiprimes q.

Table of values

n a(n)
0 0
1 7
2 9
3 8
4 4
5 8
6 0
7 4
8 0
9 3
10 0
11 6
12 2
13 3
14 2
15 6
16 9
17 1
18 8
19 9
20 7
21 4
22 0
23 2
24 2
25 5
26 4
27 7
28 0
29 5
30 1
31 3
32 6
33 6
34 8
35 2
36 2
37 7
38 2
39 3
40 1
41 1
42 9
43 0
44 2
45 0
46 8
47 4
48 9
49 0
50 8
51 6
52 0
53 3

List of values

[0, 7, 9, 8, 4, 8, 0, 4, 0, 3, 0, 6, 2, 3, 2, 6, 9, 1, 8, 9, 7, 4, 0, 2, 2, 5, 4, 7, 0, 5, 1, 3, 6, 6, 8, 2, 2, 7, 2, 3, 1, 1, 9, 0, 2, 0, 8, 4, 9, 0, 8, 6, 0, 3]