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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.

A192137 Numbers m such that their concatenation of prime divisors are palindromic numbers.

Table of values

n a(n)
1 2
2 3
3 4
4 5
5 7
6 8
7 9
8 11
9 16
10 25
11 27
12 32
13 39
14 49
15 64
16 69
17 81
18 101
19 117
20 119
21 121
22 125
23 128
24 129
25 131
26 151
27 159
28 181
29 191
30 207
31 219
32 243
33 249
34 256
35 259
36 313
37 329
38 339
39 343
40 351
41 353

List of values

[2, 3, 4, 5, 7, 8, 9, 11, 16, 25, 27, 32, 39, 49, 64, 69, 81, 101, 117, 119, 121, 125, 128, 129, 131, 151, 159, 181, 191, 207, 219, 243, 249, 256, 259, 313, 329, 339, 343, 351, 353]