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.

A108773 Concatenation of n and the sum of the digits of n.

Table of values

n a(n)
0 0
1 11
2 22
3 33
4 44
5 55
6 66
7 77
8 88
9 99
10 101
11 112
12 123
13 134
14 145
15 156
16 167
17 178
18 189
19 1910
20 202
21 213
22 224
23 235
24 246
25 257
26 268
27 279
28 2810
29 2911
30 303
31 314
32 325
33 336
34 347
35 358
36 369
37 3710
38 3811
39 3912
40 404
41 415
42 426
43 437
44 448
45 459
46 4610
47 4711
48 4812
49 4913
50 505
51 516
52 527

List of values

[0, 11, 22, 33, 44, 55, 66, 77, 88, 99, 101, 112, 123, 134, 145, 156, 167, 178, 189, 1910, 202, 213, 224, 235, 246, 257, 268, 279, 2810, 2911, 303, 314, 325, 336, 347, 358, 369, 3710, 3811, 3912, 404, 415, 426, 437, 448, 459, 4610, 4711, 4812, 4913, 505, 516, 527]