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 | 69 |
| 2 | 4761 |
| 3 | 244325 |
| 4 | 12271227 |
| 5 | 622569385 |
| 6 | 31638012071 |
| 7 | 1607243845009 |
| 8 | 81641053794111 |
| 9 | 4147075467417469 |
| 10 | 210658289444343157 |
| 11 | 10700760566367351027 |
| 12 | 543563676726218129663 |
| 13 | 27611262828599058482901 |
| 14 | 1402562262828848350945747 |