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 | 3 |
| 2 | 4 |
| 3 | 6 |
| 4 | 15 |
| 5 | 30 |
| 6 | 64 |
| 7 | 99 |
| 8 | 108 |
| 9 | 135 |
| 10 | 363 |
| 11 | 414 |
| 12 | 531 |
| 13 | 576 |
| 14 | 811 |
| 15 | 1326 |
| 16 | 1414 |
| 17 | 1476 |
| 18 | 1936 |
| 19 | 2371 |
| 20 | 3951 |
| 21 | 4195 |
| 22 | 13324 |
| 23 | 21696 |
| 24 | 23203 |
| 25 | 35790 |
| 26 | 46950 |
| 27 | 51756 |
| 28 | 55174 |
| 29 | 61876 |
| 30 | 92487 |
| 31 | 134104 |
| 32 | 691951 |
| 33 | 706915 |
| 34 | 1743751 |