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 | 5600239 |
| 2 | 21066319 |
| 3 | 42209639 |
| 4 | 63019679 |
| 5 | 82190131 |
| 6 | 95422517 |
| 7 | 113420491 |
| 8 | 114248737 |
| 9 | 130194791 |
| 10 | 132863191 |
| 11 | 135160339 |
| 12 | 137697019 |
| 13 | 145136591 |
| 14 | 145611439 |
| 15 | 146414839 |
| 16 | 153160517 |
| 17 | 159136291 |
| 18 | 181680713 |
| 19 | 186601339 |
| 20 | 186609331 |
| 21 | 190714133 |