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 | 17 |
| 2 | 69 |
| 3 | 70 |
| 4 | 241 |
| 5 | 405 |
| 6 | 2606 |
| 7 | 3339 |
| 8 | 4116 |
| 9 | 7116 |
| 10 | 15148 |
| 11 | 15149 |
| 12 | 20162 |
| 13 | 137633 |
| 14 | 324410 |
| 15 | 332504 |
| 16 | 439298 |
| 17 | 1012547 |
| 18 | 1121608 |
| 19 | 2482209 |
| 20 | 5028662 |
| 21 | 6330857 |
| 22 | 7180864 |
| 23 | 7180865 |
| 24 | 9569168 |
| 25 | 14452770 |
| 26 | 17021632 |
| 27 | 110229972 |
| 28 | 110229973 |
| 29 | 193329301 |