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 | 35 |
| 2 | 114 |
| 3 | 313 |
| 4 | 772 |
| 5 | 1775 |
| 6 | 3894 |
| 7 | 8277 |
| 8 | 17224 |
| 9 | 35339 |
| 10 | 71834 |
| 11 | 145137 |
| 12 | 292108 |
| 13 | 586471 |
| 14 | 1175678 |
| 15 | 2354637 |
| 16 | 4713168 |
| 17 | 9430915 |
| 18 | 18867170 |
| 19 | 37740521 |
| 20 | 75488148 |
| 21 | 150984415 |
| 22 | 301978054 |
| 23 | 603966533 |
| 24 | 1207944792 |
| 25 | 2415902715 |
| 26 | 4831820074 |
| 27 | 9663656417 |