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 | 2 |
| 2 | 3 |
| 3 | 6 |
| 4 | 20 |
| 5 | 26 |
| 6 | 38 |
| 7 | 51 |
| 8 | 119 |
| 9 | 155 |
| 10 | 218 |
| 11 | 446 |
| 12 | 486 |
| 13 | 1211 |
| 14 | 1319 |
| 15 | 1338 |
| 16 | 1365 |
| 17 | 1575 |
| 18 | 5106 |
| 19 | 7019 |
| 20 | 9503 |
| 21 | 9695 |
| 22 | 14304 |
| 23 | 15417 |
| 24 | 17765 |
| 25 | 24222 |
| 26 | 25500 |
| 27 | 26306 |
| 28 | 35238 |
| 29 | 93207 |