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.

A161510 Number of primes formed as the sum of distinct divisors of n, counted with repetition.

Table of values

n a(n)
1 0
2 2
3 1
4 4
5 1
6 6
7 1
8 6
9 2
10 7
11 1
12 20
13 1
14 5
15 4
16 11
17 1
18 16
19 1
20 19
21 5
22 5
23 1
24 66
25 2
26 5
27 4
28 17
29 1
30 64
31 1
32 18
33 4
34 6
35 6
36 120
37 1
38 5
39 5
40 63
41 1
42 62
43 1
44 18
45 11
46 5
47 1
48 237
49 1
50 15
51 3
52 18
53 1
54 47
55 6
56 60
57 5
58 7
59 1
60 863
61 1
62 3
63 20
64 31
65 6
66 58
67 1
68 16
69 3
70 62
71 1
72 808
73 1
74 4
75 13
76 16
77 4
78 56
79 1
80 216
81 5
82 5
83 1
84 839
85 5
86 5

List of values

[0, 2, 1, 4, 1, 6, 1, 6, 2, 7, 1, 20, 1, 5, 4, 11, 1, 16, 1, 19, 5, 5, 1, 66, 2, 5, 4, 17, 1, 64, 1, 18, 4, 6, 6, 120, 1, 5, 5, 63, 1, 62, 1, 18, 11, 5, 1, 237, 1, 15, 3, 18, 1, 47, 6, 60, 5, 7, 1, 863, 1, 3, 20, 31, 6, 58, 1, 16, 3, 62, 1, 808, 1, 4, 13, 16, 4, 56, 1, 216, 5, 5, 1, 839, 5, 5]