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 | 84 |
| 2 | 3906 |
| 3 | 92734 |
| 4 | 1718057 |
| 5 | 30643468 |
| 6 | 556027700 |
| 7 | 10269723035 |
| 8 | 191829887779 |
| 9 | 3609049327918 |
| 10 | 68212899813271 |
| 11 | 1293084011261962 |
| 12 | 24559344963113337 |
| 13 | 467028467106529258 |
| 14 | 8888318851289202078 |
| 15 | 169249293097773923431 |