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.

A385313 a(n) = c(n) + Sum_{d|n} d * phi(n/d) * (1 - c(d)), where c = A010051.

Table of values

n a(n)
1 1
2 2
3 3
4 6
5 5
6 8
7 7
8 16
9 15
10 14
11 11
12 30
13 13
14 20
15 23
16 40
17 17
18 45
19 19
20 54
21 33
22 32
23 23
24 80
25 45
26 38
27 63
28 78
29 29
30 97
31 31
32 96
33 53
34 50
35 59
36 144
37 37
38 56
39 63
40 144
41 41
42 139
43 43
44 126
45 135
46 68
47 47
48 200
49 91
50 135
51 83
52 150
53 53
54 189
55 95
56 208
57 93
58 86
59 59
60 300
61 61
62 92
63 195
64 224
65 113
66 223
67 67
68 198
69 113
70 245
71 71
72 372
73 73
74 110
75 225
76 222
77 137
78 265
79 79
80 360
81 243
82 122
83 83
84 432

List of values

[1, 2, 3, 6, 5, 8, 7, 16, 15, 14, 11, 30, 13, 20, 23, 40, 17, 45, 19, 54, 33, 32, 23, 80, 45, 38, 63, 78, 29, 97, 31, 96, 53, 50, 59, 144, 37, 56, 63, 144, 41, 139, 43, 126, 135, 68, 47, 200, 91, 135, 83, 150, 53, 189, 95, 208, 93, 86, 59, 300, 61, 92, 195, 224, 113, 223, 67, 198, 113, 245, 71, 372, 73, 110, 225, 222, 137, 265, 79, 360, 243, 122, 83, 432]