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.

A176555 Noncomposite concatenations of divisors of some k, ordered by k.

Table of values

n a(n)
1 1
2 13
3 17
4 139
5 113
6 13721
7 131
8 137
9 167
10 173
11 179
12 197
13 1103
14 1109
15 111121
16 1151
17 1163
18 1181
19 1361183
20 1193
21 1373219
22 1223
23 1229
24 1379237
25 1277
26 1283
27 1307
28 131133121363
29 1367
30 1373
31 13127381
32 1409
33 1433
34 1439
35 13157471
36 1487
37 13163489

List of values

[1, 13, 17, 139, 113, 13721, 131, 137, 167, 173, 179, 197, 1103, 1109, 111121, 1151, 1163, 1181, 1361183, 1193, 1373219, 1223, 1229, 1379237, 1277, 1283, 1307, 131133121363, 1367, 1373, 13127381, 1409, 1433, 1439, 13157471, 1487, 13163489]

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

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