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 | 5 |
| 6 | 6 |
| 7 | 7 |
| 8 | 9 |
| 9 | 18 |
| 10 | 23 |
| 11 | 85 |
| 12 | 87 |
| 13 | 101 |
| 14 | 103 |
| 15 | 168 |
| 16 | 206 |
| 17 | 301 |
| 18 | 303 |
| 19 | 363 |
| 20 | 725 |
| 21 | 1683 |
| 22 | 2461 |
| 23 | 2788 |
| 24 | 7921 |
| 25 | 9563 |
| 26 | 9668 |
| 27 | 20606 |
| 28 | 28443 |
| 29 | 29501 |
| 30 | 45168 |
| 31 | 46701 |
| 32 | 49501 |
| 33 | 63556 |
| 34 | 78206 |
| 35 | 80901 |
| 36 | 90009 |
| 37 | 167861 |
| 38 | 168069 |
| 39 | 208288 |
| 40 | 278636 |
| 41 | 331841 |
| 42 | 375121 |
| 43 | 440468 |