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 | 3 |
| 3 | 4 |
| 4 | 7 |
| 5 | 77 |
| 6 | 337 |
| 7 | 397 |
| 8 | 566 |
| 9 | 615 |
| 10 | 822 |
| 11 | 1007 |
| 12 | 1017 |
| 13 | 1073 |
| 14 | 1351 |
| 15 | 1731 |
| 16 | 2635 |
| 17 | 6606 |
| 18 | 8513 |
| 19 | 10404 |