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 | 8874 |
| 2 | 9011 |
| 3 | 83352842 |
| 4 | 99000101 |
| 5 | 329767122288 |
| 6 | 670232877713 |
| 7 | 738226276373 |
| 8 | 933006600341 |
| 9 | 999000001001 |
| 10 | 3779410975143115 |
| 11 | 3872816717528067 |
| 12 | 4250291784692550 |
| 13 | 4278630943941867 |
| 14 | 4372036686326819 |
| 15 | 4749511753491302 |