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 | 33 |
| 2 | 1089 |
| 3 | 16109 |
| 4 | 211471 |
| 5 | 3032756 |
| 6 | 45723467 |
| 7 | 683241763 |
| 8 | 10070110597 |
| 9 | 148233534913 |
| 10 | 2188626118244 |
| 11 | 32347115051263 |
| 12 | 477836040550545 |
| 13 | 7056110017685369 |
| 14 | 104200645149581597 |
| 15 | 1538926599002070335 |