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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.

A109958 Concatenate n and the sum of primes dividing n (counting multiplicity).

Table of values

n a(n)
1 10
2 22
3 33
4 44
5 55
6 65
7 77
8 86
9 96
10 107
11 1111
12 127
13 1313
14 149
15 158
16 168
17 1717
18 188
19 1919
20 209
21 2110
22 2213
23 2323
24 249
25 2510
26 2615
27 279
28 2811
29 2929
30 3010
31 3131
32 3210
33 3314
34 3419
35 3512
36 3610
37 3737
38 3821
39 3916
40 4011
41 4141
42 4212
43 4343
44 4415
45 4511
46 4625
47 4747

List of values

[10, 22, 33, 44, 55, 65, 77, 86, 96, 107, 1111, 127, 1313, 149, 158, 168, 1717, 188, 1919, 209, 2110, 2213, 2323, 249, 2510, 2615, 279, 2811, 2929, 3010, 3131, 3210, 3314, 3419, 3512, 3610, 3737, 3821, 3916, 4011, 4141, 4212, 4343, 4415, 4511, 4625, 4747]

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

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