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.

A377247 a(n) is the largest k such that the sum of the first k divisors of n is at most n.

Table of values

n a(n)
1 1
2 1
3 1
4 2
5 1
6 3
7 1
8 3
9 2
10 3
11 1
12 4
13 1
14 3
15 3
16 4
17 1
18 4
19 1
20 4
21 3
22 3
23 1
24 6
25 2
26 3
27 3
28 5
29 1
30 6
31 1
32 5
33 3
34 3
35 3
36 6
37 1
38 3
39 3
40 6
41 1
42 6
43 1
44 5
45 5
46 3
47 1
48 7
49 2
50 5
51 3
52 5
53 1
54 6
55 3
56 6
57 3
58 3
59 1
60 9
61 1
62 3
63 5
64 6
65 3
66 6
67 1
68 5
69 3
70 6
71 1
72 9
73 1
74 3
75 5
76 5
77 3
78 6
79 1
80 8
81 4
82 3
83 1
84 9
85 3
86 3
87 3
88 6

List of values

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