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.

A250469 a(1) = 1; and for n > 1, a(n) = A078898(n)-th number k for which A055396(k) = A055396(n)+1, where A055396(n) is the index of smallest prime dividing n.

Table of values

n a(n)
1 1
2 3
3 5
4 9
5 7
6 15
7 11
8 21
9 25
10 27
11 13
12 33
13 17
14 39
15 35
16 45
17 19
18 51
19 23
20 57
21 55
22 63
23 29
24 69
25 49
26 75
27 65
28 81
29 31
30 87
31 37
32 93
33 85
34 99
35 77
36 105
37 41
38 111
39 95
40 117
41 43
42 123
43 47
44 129
45 115
46 135
47 53
48 141
49 121
50 147
51 125
52 153
53 59
54 159
55 91
56 165
57 145
58 171
59 61
60 177
61 67
62 183
63 155
64 189
65 119
66 195
67 71
68 201
69 175
70 207
71 73
72 213
73 79
74 219
75 185
76 225
77 143
78 231
79 83
80 237
81 205
82 243
83 89
84 249
85 133
86 255

List of values

[1, 3, 5, 9, 7, 15, 11, 21, 25, 27, 13, 33, 17, 39, 35, 45, 19, 51, 23, 57, 55, 63, 29, 69, 49, 75, 65, 81, 31, 87, 37, 93, 85, 99, 77, 105, 41, 111, 95, 117, 43, 123, 47, 129, 115, 135, 53, 141, 121, 147, 125, 153, 59, 159, 91, 165, 145, 171, 61, 177, 67, 183, 155, 189, 119, 195, 71, 201, 175, 207, 73, 213, 79, 219, 185, 225, 143, 231, 83, 237, 205, 243, 89, 249, 133, 255]