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 | 31000003 |
| 2 | 371000037 |
| 3 | 1511000151 |
| 4 | 1931000193 |
| 5 | 1991000199 |
| 6 | 2111000211 |
| 7 | 3131000313 |
| 8 | 3671000367 |
| 9 | 3971000397 |
| 10 | 4091000409 |
| 11 | 4571000457 |
| 12 | 5411000541 |
| 13 | 5471000547 |
| 14 | 5771000577 |
| 15 | 6191000619 |
| 16 | 6911000691 |
| 17 | 8291000829 |
| 18 | 8591000859 |