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 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 3 |
| 6 | 6 |
| 7 | 9 |
| 8 | 19 |
| 9 | 30 |
| 10 | 61 |
| 11 | 99 |
| 12 | 198 |
| 13 | 333 |
| 14 | 650 |
| 15 | 1115 |
| 16 | 2143 |
| 17 | 3743 |
| 18 | 7101 |
| 19 | 12553 |
| 20 | 23605 |
| 21 | 42115 |
| 22 | 78670 |
| 23 | 141284 |
| 24 | 262679 |
| 25 | 474083 |
| 26 | 878386 |
| 27 | 1591038 |
| 28 | 2940512 |
| 29 | 5340712 |
| 30 | 9852201 |
| 31 | 17930619 |
| 32 | 33031498 |
| 33 | 60209609 |
| 34 | 110801271 |
| 35 | 202208576 |
| 36 | 371820314 |