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 | 1 |
| 3 | 1 |
| 4 | 4 |
| 5 | 5 |
| 6 | 18 |
| 7 | 33 |
| 8 | 70 |
| 9 | 110 |
| 10 | 246 |
| 11 | 526 |
| 12 | 1144 |
| 13 | 2366 |
| 14 | 4689 |
| 15 | 8597 |
| 16 | 15168 |
| 17 | 26367 |
| 18 | 46696 |
| 19 | 82428 |
| 20 | 142991 |
| 21 | 240609 |
| 22 | 393640 |
| 23 | 627305 |
| 24 | 975760 |
| 25 | 1474671 |
| 26 | 2164515 |
| 27 | 3084956 |
| 28 | 4282222 |
| 29 | 5810980 |
| 30 | 7776373 |
| 31 | 10351373 |
| 32 | 13815334 |
| 33 | 18556147 |
| 34 | 25107905 |