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.

A370901 Partial alternating sums of the powerfree part function (A055231).

Table of values

n a(n)
1 1
2 -1
3 2
4 1
5 6
6 0
7 7
8 6
9 7
10 -3
11 8
12 5
13 18
14 4
15 19
16 18
17 35
18 33
19 52
20 47
21 68
22 46
23 69
24 66
25 67
26 41
27 42
28 35
29 64
30 34
31 65
32 64
33 97
34 63
35 98
36 97
37 134
38 96
39 135
40 130
41 171
42 129
43 172
44 161
45 166
46 120
47 167
48 164
49 165
50 163
51 214
52 201
53 254
54 252
55 307
56 300
57 357
58 299
59 358
60 343
61 404
62 342

List of values

[1, -1, 2, 1, 6, 0, 7, 6, 7, -3, 8, 5, 18, 4, 19, 18, 35, 33, 52, 47, 68, 46, 69, 66, 67, 41, 42, 35, 64, 34, 65, 64, 97, 63, 98, 97, 134, 96, 135, 130, 171, 129, 172, 161, 166, 120, 167, 164, 165, 163, 214, 201, 254, 252, 307, 300, 357, 299, 358, 343, 404, 342]