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 | 5 |
| 4 | 7 |
| 5 | 13 |
| 6 | 23 |
| 7 | 25 |
| 8 | 44 |
| 9 | 110 |
| 10 | 157 |
| 11 | 751 |
| 12 | 853 |
| 13 | 964 |
| 14 | 1135 |
| 15 | 2588 |
| 16 | 2602 |
| 17 | 2807 |
| 18 | 2888 |
| 19 | 3272 |
| 20 | 4046 |
| 21 | 4798 |
| 22 | 16720 |
| 23 | 21410 |
| 24 | 22285 |
| 25 | 25888 |
| 26 | 34586 |
| 27 | 51764 |