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.

A353395 Numbers k such that the prime shadow of k equals the product of prime shadows of the prime indices of k.

Table of values

n a(n)
1 1
2 3
3 5
4 11
5 15
6 17
7 26
8 31
9 33
10 41
11 51
12 55
13 58
14 59
15 67
16 78
17 83
18 85
19 86
20 93
21 94
22 109
23 123
24 126
25 127
26 130
27 146
28 148
29 155
30 157
31 158
32 165
33 174
34 177
35 179
36 187
37 191
38 196
39 201
40 202
41 205
42 211
43 241
44 244
45 249
46 255
47 258
48 274
49 277
50 278
51 282
52 283
53 284
54 286
55 290
56 295
57 298

List of values

[1, 3, 5, 11, 15, 17, 26, 31, 33, 41, 51, 55, 58, 59, 67, 78, 83, 85, 86, 93, 94, 109, 123, 126, 127, 130, 146, 148, 155, 157, 158, 165, 174, 177, 179, 187, 191, 196, 201, 202, 205, 211, 241, 244, 249, 255, 258, 274, 277, 278, 282, 283, 284, 286, 290, 295, 298]

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

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