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) |
|---|---|
| 2 | 13 |
| 3 | 181 |
| 4 | 1093 |
| 5 | 10333 |
| 6 | 100621 |
| 7 | 1040833 |
| 8 | 10085473 |
| 9 | 100000837 |
| 10 | 1000705861 |
| 11 | 10003758337 |
| 12 | 100012479337 |
| 13 | 1000001026513 |
| 14 | 10000000794181 |
| 15 | 100000078156441 |
| 16 | 1000000776555301 |
| 17 | 10000014919168441 |
| 18 | 100000008716411701 |