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.

A023580 Sum of distinct prime divisors of prime(n)+3.

Table of values

n a(n)
1 5
2 5
3 2
4 7
5 9
6 2
7 7
8 13
9 15
10 2
11 19
12 7
13 13
14 25
15 7
16 9
17 33
18 2
19 14
20 39
21 21
22 43
23 45
24 25
25 7
26 15
27 55
28 18
29 9
30 31
31 20
32 69
33 14
34 73
35 21
36 20
37 7
38 85
39 24
40 13
41 22
42 25
43 99
44 9
45 7
46 103
47 109
48 115
49 30
50 31
51 61
52 13
53 63
54 129
55 20
56 28
57 19
58 139
59 14
60 73
61 26
62 39
63 38
64 159
65 81
66 7
67 169
68 24
69 14

List of values

[5, 5, 2, 7, 9, 2, 7, 13, 15, 2, 19, 7, 13, 25, 7, 9, 33, 2, 14, 39, 21, 43, 45, 25, 7, 15, 55, 18, 9, 31, 20, 69, 14, 73, 21, 20, 7, 85, 24, 13, 22, 25, 99, 9, 7, 103, 109, 115, 30, 31, 61, 13, 63, 129, 20, 28, 19, 139, 14, 73, 26, 39, 38, 159, 81, 7, 169, 24, 14]

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

Content is available under The OEIS End-User License Agreement.