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 | 20576 |
| 2 | 131516852 |
| 3 | 21902526953 |
| 4 | 32003537054 |
| 5 | 42104547155 |
| 6 | 52205557256 |
| 7 | 62306567357 |
| 8 | 72407577458 |
| 9 | 82508587559 |
| 10 | 92609597660 |
| 11 | 102710607761 |
| 12 | 112811617862 |
| 13 | 122912627963 |
| 14 | 133013638064 |
| 15 | 143114648165 |
| 16 | 153215658266 |
| 17 | 163316516683517 |
| 18 | 17184017517684518 |
| 19 | 18185018518685519 |