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 | 2 |
| 4 | 5 |
| 5 | 4 |
| 6 | 13 |
| 7 | 16 |
| 8 | 33 |
| 9 | 53 |
| 10 | 107 |
| 11 | 178 |
| 12 | 351 |
| 13 | 617 |
| 14 | 1174 |
| 15 | 2172 |
| 16 | 4115 |
| 17 | 7671 |
| 18 | 14601 |
| 19 | 27534 |
| 20 | 52472 |
| 21 | 99771 |
| 22 | 190745 |
| 23 | 364520 |
| 24 | 699246 |
| 25 | 1341831 |
| 26 | 2581392 |
| 27 | 4970434 |
| 28 | 9587579 |
| 29 | 18511552 |
| 30 | 35792567 |
| 31 | 69271476 |
| 32 | 134219686 |
| 33 | 260297059 |
| 34 | 505294109 |