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 | 3 |
| 4 | 5 |
| 5 | 7 |
| 6 | 13 |
| 7 | 19 |
| 8 | 35 |
| 9 | 59 |
| 10 | 107 |
| 11 | 187 |
| 12 | 351 |
| 13 | 631 |
| 14 | 1181 |
| 15 | 2191 |
| 16 | 4115 |
| 17 | 7711 |
| 18 | 14601 |
| 19 | 27595 |
| 20 | 52487 |
| 21 | 99879 |
| 22 | 190745 |
| 23 | 364723 |
| 24 | 699251 |
| 25 | 1342183 |
| 26 | 2581427 |
| 27 | 4971067 |
| 28 | 9587579 |
| 29 | 18512791 |
| 30 | 35792567 |
| 31 | 69273667 |
| 32 | 134219795 |
| 33 | 260301175 |
| 34 | 505294127 |
| 35 | 981706831 |
| 36 | 1908881899 |
| 37 | 3714566311 |
| 38 | 7233642929 |