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.

A074037 Sum of the composites between the smallest prime factor of n and the largest prime factor of n.

Table of values

n a(n)
1 0
2 0
3 0
4 0
5 0
6 0
7 0
8 0
9 0
10 4
11 0
12 0
13 0
14 10
15 4
16 0
17 0
18 0
19 0
20 4
21 10
22 37
23 0
24 0
25 0
26 49
27 0
28 10
29 0
30 4
31 0
32 0
33 37
34 94
35 6
36 0
37 0
38 112
39 49
40 4
41 0
42 10
43 0
44 37
45 4
46 175
47 0
48 0
49 0
50 4
51 94
52 49
53 0
54 0
55 33
56 10
57 112
58 305
59 0
60 4
61 0
62 335
63 10
64 0
65 45
66 37
67 0
68 94
69 175
70 10
71 0
72 0
73 0
74 505
75 4
76 112
77 27
78 49
79 0
80 4
81 0
82 622
83 0
84 10

List of values

[0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 0, 0, 0, 10, 4, 0, 0, 0, 0, 4, 10, 37, 0, 0, 0, 49, 0, 10, 0, 4, 0, 0, 37, 94, 6, 0, 0, 112, 49, 4, 0, 10, 0, 37, 4, 175, 0, 0, 0, 4, 94, 49, 0, 0, 33, 10, 112, 305, 0, 4, 0, 335, 10, 0, 45, 37, 0, 94, 175, 10, 0, 0, 0, 505, 4, 112, 27, 49, 0, 4, 0, 622, 0, 10]

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

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