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.

A001704 a(n) = n concatenated with n + 1.

Table of values

n a(n)
1 12
2 23
3 34
4 45
5 56
6 67
7 78
8 89
9 910
10 1011
11 1112
12 1213
13 1314
14 1415
15 1516
16 1617
17 1718
18 1819
19 1920
20 2021
21 2122
22 2223
23 2324
24 2425
25 2526
26 2627
27 2728
28 2829
29 2930
30 3031
31 3132
32 3233
33 3334
34 3435
35 3536
36 3637
37 3738
38 3839
39 3940
40 4041
41 4142
42 4243
43 4344
44 4445
45 4546

List of values

[12, 23, 34, 45, 56, 67, 78, 89, 910, 1011, 1112, 1213, 1314, 1415, 1516, 1617, 1718, 1819, 1920, 2021, 2122, 2223, 2324, 2425, 2526, 2627, 2728, 2829, 2930, 3031, 3132, 3233, 3334, 3435, 3536, 3637, 3738, 3839, 3940, 4041, 4142, 4243, 4344, 4445, 4546]