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.

A175342 Number of arithmetic progressions (where the difference between adjacent terms is either positive, 0, or negative) of positive integers that sum to n.

Table of values

n a(n)
1 1
2 2
3 4
4 5
5 6
6 10
7 8
8 10
9 15
10 14
11 12
12 22
13 14
14 18
15 28
16 21
17 18
18 34
19 20
20 28
21 38
22 28
23 24
24 46
25 31
26 32
27 48
28 38
29 30
30 62
31 32
32 40
33 58
34 42
35 46
36 73
37 38
38 46
39 68
40 58
41 42
42 84
43 44
44 56
45 90
46 56
47 48
48 94
49 55
50 70
51 90
52 66
53 54
54 106
55 70
56 74
57 100
58 70
59 60
60 130
61 62
62 74
63 118
64 81
65 82
66 130
67 68
68 84
69 120

List of values

[1, 2, 4, 5, 6, 10, 8, 10, 15, 14, 12, 22, 14, 18, 28, 21, 18, 34, 20, 28, 38, 28, 24, 46, 31, 32, 48, 38, 30, 62, 32, 40, 58, 42, 46, 73, 38, 46, 68, 58, 42, 84, 44, 56, 90, 56, 48, 94, 55, 70, 90, 66, 54, 106, 70, 74, 100, 70, 60, 130, 62, 74, 118, 81, 82, 130, 68, 84, 120]

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

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