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.

A167485 Smallest positive integer m such that n can be expressed as the sum of an initial subsequence of the divisors of m, or 0 if no such m exists.

Table of values

n a(n)
0 1
1 1
2 0
3 2
4 3
5 0
6 5
7 4
8 7
9 15
10 12
11 21
12 6
13 9
14 13
15 8
16 12
17 30
18 10
19 42
20 19
21 18
22 20
23 57
24 14
25 36
26 46
27 30
28 12
29 102
30 29
31 16
32 21
33 42
34 62
35 84
36 22
37 36
38 37
39 18
40 27
41 63
42 20
43 50
44 43
45 66
46 52
47 129
48 33
49 75
50 40
51 78
52 48
53 220
54 34
55 36
56 28
57 49
58 60
59 265
60 24
61 132
62 61
63 32
64 56
65 117
66 54
67 100
68 67
69 90
70 84

List of values

[1, 1, 0, 2, 3, 0, 5, 4, 7, 15, 12, 21, 6, 9, 13, 8, 12, 30, 10, 42, 19, 18, 20, 57, 14, 36, 46, 30, 12, 102, 29, 16, 21, 42, 62, 84, 22, 36, 37, 18, 27, 63, 20, 50, 43, 66, 52, 129, 33, 75, 40, 78, 48, 220, 34, 36, 28, 49, 60, 265, 24, 132, 61, 32, 56, 117, 54, 100, 67, 90, 84]