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.

A370906 Partial alternating sums of the alternating sum of divisors function (A206369).

Table of values

n a(n)
1 1
2 0
3 2
4 -1
5 3
6 1
7 7
8 2
9 9
10 5
11 15
12 9
13 21
14 15
15 23
16 12
17 28
18 21
19 39
20 27
21 39
22 29
23 51
24 41
25 62
26 50
27 70
28 52
29 80
30 72
31 102
32 81
33 101
34 85
35 109
36 88
37 124
38 106
39 130
40 110
41 150
42 138
43 180
44 150
45 178
46 156
47 202
48 180
49 223
50 202
51 234
52 198
53 250
54 230
55 270
56 240
57 276
58 248
59 306
60 282
61 342

List of values

[1, 0, 2, -1, 3, 1, 7, 2, 9, 5, 15, 9, 21, 15, 23, 12, 28, 21, 39, 27, 39, 29, 51, 41, 62, 50, 70, 52, 80, 72, 102, 81, 101, 85, 109, 88, 124, 106, 130, 110, 150, 138, 180, 150, 178, 156, 202, 180, 223, 202, 234, 198, 250, 230, 270, 240, 276, 248, 306, 282, 342]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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