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.

A322382 a(n) = p*a(n/p) + 1, where p is the smallest prime divisor of n; a(1)=0.

Table of values

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

List of values

[0, 1, 1, 3, 1, 3, 1, 7, 4, 3, 1, 7, 1, 3, 4, 15, 1, 9, 1, 7, 4, 3, 1, 15, 6, 3, 13, 7, 1, 9, 1, 31, 4, 3, 6, 19, 1, 3, 4, 15, 1, 9, 1, 7, 13, 3, 1, 31, 8, 13, 4, 7, 1, 27, 6, 15, 4, 3, 1, 19, 1, 3, 13, 63, 6, 9, 1, 7, 4, 13, 1, 39, 1, 3, 19, 7, 8, 9, 1, 31, 40, 3, 1, 19, 6]