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 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 6 |
| 5 | 10 |
| 6 | 19 |
| 7 | 34 |
| 8 | 62 |
| 9 | 117 |
| 10 | 207 |
| 11 | 407 |
| 12 | 704 |
| 13 | 1430 |
| 14 | 2431 |
| 15 | 5070 |
| 16 | 8502 |
| 17 | 18122 |
| 18 | 30056 |
| 19 | 65246 |
| 20 | 107236 |
| 21 | 236436 |
| 22 | 385662 |
| 23 | 861764 |
| 24 | 1396652 |
| 25 | 3157325 |
| 26 | 5088865 |
| 27 | 11622015 |
| 28 | 18642420 |
| 29 | 42961470 |
| 30 | 68624295 |
| 31 | 159419670 |
| 32 | 253706790 |
| 33 | 593636670 |
| 34 | 941630580 |