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) |
|---|---|
| 0 | 0 |
| 1 | 4 |
| 2 | 10 |
| 3 | 65 |
| 4 | 173 |
| 5 | 22 |
| 6 | 96 |
| 7 | 15 |
| 8 | 48 |
| 9 | 78 |
| 10 | 13 |
| 11 | 201 |
| 12 | 487 |
| 13 | 594 |
| 14 | 2719 |
| 15 | 5146 |
| 16 | 8719 |
| 17 | 11530 |
| 18 | 15308 |
| 19 | 76411 |
| 20 | 76016 |
| 21 | 42220 |
| 22 | 67129 |
| 23 | 45349 |
| 24 | 170266 |
| 25 | 255576 |
| 26 | 457846 |
| 27 | 865810 |
| 28 | 1131083 |
| 29 | 8045547 |
| 30 | 7669757 |