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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.

A076694 a(n) = n - sum of the distinct prime factors of n.

Table of values

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

List of values

[1, 0, 0, 2, 0, 1, 0, 6, 6, 3, 0, 7, 0, 5, 7, 14, 0, 13, 0, 13, 11, 9, 0, 19, 20, 11, 24, 19, 0, 20, 0, 30, 19, 15, 23, 31, 0, 17, 23, 33, 0, 30, 0, 31, 37, 21, 0, 43, 42, 43, 31, 37, 0, 49, 39, 47, 35, 27, 0, 50, 0, 29, 53, 62, 47, 50, 0, 49, 43, 56, 0, 67, 0, 35, 67, 55, 59, 60, 0, 73]

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

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