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.

A272142 Numbers such that the concatenation of their aliquot parts, in descending order, are prime numbers.

Table of values

n a(n)
1 8
2 9
3 10
4 26
5 34
6 35
7 49
8 55
9 56
10 57
11 62
12 63
13 75
14 76
15 77
16 94
17 95
18 115
19 122
20 125
21 142
22 144
23 146
24 161
25 169
26 183
27 194
28 196
29 203
30 206
31 219
32 226
33 235
34 238
35 254
36 262
37 265
38 274
39 275
40 278
41 290
42 299
43 302
44 304
45 305
46 309
47 320
48 322
49 332
50 336
51 338
52 346
53 355
54 358
55 361
56 362

List of values

[8, 9, 10, 26, 34, 35, 49, 55, 56, 57, 62, 63, 75, 76, 77, 94, 95, 115, 122, 125, 142, 144, 146, 161, 169, 183, 194, 196, 203, 206, 219, 226, 235, 238, 254, 262, 265, 274, 275, 278, 290, 299, 302, 304, 305, 309, 320, 322, 332, 336, 338, 346, 355, 358, 361, 362]

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

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