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 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 6 |
| 6 | 11 |
| 7 | 21 |
| 8 | 41 |
| 9 | 80 |
| 10 | 157 |
| 11 | 310 |
| 12 | 614 |
| 13 | 1218 |
| 14 | 2421 |
| 15 | 4819 |
| 16 | 9602 |
| 17 | 19147 |
| 18 | 38204 |
| 19 | 76266 |
| 20 | 152307 |
| 21 | 304256 |
| 22 | 607941 |
| 23 | 1214970 |
| 24 | 2428482 |
| 25 | 4854630 |
| 26 | 9705518 |
| 27 | 19405030 |
| 28 | 38800412 |
| 29 | 77585314 |
| 30 | 155145677 |
| 31 | 310251190 |
| 32 | 620437691 |
| 33 | 1240771141 |
| 34 | 2481374234 |