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.

A139316 An integer k, k>=2, is in the sequence if A001222(k) (the sum of the exponents in the prime factorization of k) divides A008472(k) (the sum of the distinct primes dividing k).

Table of values

n a(n)
1 2
2 3
3 4
4 5
5 7
6 11
7 13
8 15
9 17
10 19
11 21
12 23
13 27
14 28
15 29
16 31
17 33
18 35
19 37
20 39
21 41
22 42
23 43
24 47
25 48
26 51
27 52
28 53
29 55
30 57
31 59
32 61
33 65
34 67
35 69
36 71
37 72
38 73
39 76
40 77
41 78
42 79
43 83
44 84
45 85
46 87
47 89
48 91
49 93
50 95
51 97
52 98
53 101
54 103
55 105
56 107
57 108
58 109
59 110
60 111
61 113
62 114
63 115
64 119
65 120
66 123

List of values

[2, 3, 4, 5, 7, 11, 13, 15, 17, 19, 21, 23, 27, 28, 29, 31, 33, 35, 37, 39, 41, 42, 43, 47, 48, 51, 52, 53, 55, 57, 59, 61, 65, 67, 69, 71, 72, 73, 76, 77, 78, 79, 83, 84, 85, 87, 89, 91, 93, 95, 97, 98, 101, 103, 105, 107, 108, 109, 110, 111, 113, 114, 115, 119, 120, 123]