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 | 2 |
| 2 | 2 |
| 3 | 3 |
| 4 | 11 |
| 5 | 14 |
| 6 | 27 |
| 7 | 28 |
| 8 | 66 |
| 9 | 212 |
| 10 | 231 |
| 11 | 552 |
| 12 | 2842 |
| 13 | 3774 |
| 14 | 6038 |
| 15 | 6784 |
| 16 | 10950 |
| 17 | 32948 |
| 18 | 78591 |
| 19 | 97875 |
| 20 | 98342 |
| 21 | 123569 |
| 22 | 139837 |
| 23 | 159698 |
| 24 | 1102838 |
| 25 | 3256476 |
| 26 | 20329622 |
| 27 | 34385124 |
| 28 | 60999878 |
| 29 | 82669919 |
| 30 | 85820365 |
| 31 | 389915995 |
| 32 | 4274338879 |
| 33 | 18907353107 |
| 34 | 62875944378 |
| 35 | 74931184173 |