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.
n | a(n) |
---|---|
1 | 0 |
2 | 1 |
3 | 2 |
4 | 3 |
5 | 4 |
6 | 5 |
7 | 6 |
8 | 7 |
9 | 8 |
10 | 9 |
11 | 11 |
12 | 22 |
13 | 33 |
14 | 44 |
15 | 55 |
16 | 66 |
17 | 77 |
18 | 88 |
19 | 90 |
20 | 99 |
21 | 111 |
22 | 222 |
23 | 333 |
24 | 444 |
25 | 555 |
26 | 666 |
27 | 777 |
28 | 888 |
29 | 900 |
30 | 909 |
31 | 990 |
32 | 999 |
33 | 1111 |
34 | 2222 |
35 | 3333 |
36 | 4444 |
37 | 5555 |
38 | 6666 |
39 | 7777 |
40 | 8888 |
41 | 9000 |
42 | 9009 |
43 | 9090 |
44 | 9099 |
45 | 9900 |
46 | 9909 |
47 | 9990 |
48 | 9999 |
49 | 11111 |
50 | 22222 |
51 | 33333 |
52 | 44444 |
53 | 55555 |
54 | 66666 |
55 | 77777 |
56 | 88888 |
57 | 90000 |
58 | 90009 |