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 | 7980062073 |
| 2 | 79862699373 |
| 3 | 798006269373 |
| 4 | 7986207926373 |
| 5 | 79862079269373 |
| 6 | 798062073062073 |
| 7 | 798620736269373 |
| 8 | 7980000620792073 |
| 9 | 7980006269999373 |
| 10 | 7980620730626373 |
| 11 | 7980626373062073 |
| 12 | 7980626379269373 |
| 13 | 7986207306269373 |