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 | 17 |
| 2 | 167 |
| 3 | 1669 |
| 4 | 16673 |
| 5 | 166723 |
| 6 | 1667227 |
| 7 | 16672267 |
| 8 | 166722667 |
| 9 | 1667226667 |
| 10 | 16672266659 |
| 11 | 166722666527 |
| 12 | 1667226665213 |
| 13 | 16672266652081 |
| 14 | 166722666520801 |
| 15 | 1667226665207989 |
| 16 | 16672266652079879 |
| 17 | 166722666520798747 |
| 18 | 1667226665207987467 |
| 19 | 16672266652079874607 |
| 20 | 166722666520798746053 |