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.

A245317 Concatenate n-th composite integer with n.

Table of values

n a(n)
1 41
2 62
3 83
4 94
5 105
6 126
7 147
8 158
9 169
10 1810
11 2011
12 2112
13 2213
14 2414
15 2515
16 2616
17 2717
18 2818
19 3019
20 3220
21 3321
22 3422
23 3523
24 3624
25 3825
26 3926
27 4027
28 4228
29 4429
30 4530
31 4631
32 4832
33 4933
34 5034
35 5135
36 5236
37 5437
38 5538
39 5639
40 5740

List of values

[41, 62, 83, 94, 105, 126, 147, 158, 169, 1810, 2011, 2112, 2213, 2414, 2515, 2616, 2717, 2818, 3019, 3220, 3321, 3422, 3523, 3624, 3825, 3926, 4027, 4228, 4429, 4530, 4631, 4832, 4933, 5034, 5135, 5236, 5437, 5538, 5639, 5740]