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 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 5 |
| 6 | 6 |
| 7 | 7 |
| 8 | 8 |
| 9 | 9 |
| 10 | 11 |
| 11 | 22 |
| 12 | 33 |
| 13 | 44 |
| 14 | 55 |
| 15 | 66 |
| 16 | 77 |
| 17 | 88 |
| 18 | 99 |
| 19 | 101 |
| 20 | 202 |
| 21 | 303 |
| 22 | 404 |
| 23 | 505 |
| 24 | 606 |
| 25 | 707 |
| 26 | 808 |
| 27 | 909 |
| 28 | 1111 |
| 29 | 2112 |
| 30 | 3113 |
| 31 | 4114 |
| 32 | 5115 |
| 33 | 6116 |
| 34 | 7117 |
| 35 | 8118 |
| 36 | 9119 |