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 | 5 |
| 2 | 29 |
| 3 | 149 |
| 4 | 15629 |
| 5 | 15649 |
| 6 | 15749 |
| 7 | 16249 |
| 8 | 18749 |
| 9 | 391249 |
| 10 | 393749 |
| 11 | 1968749 |
| 12 | 9765629 |
| 13 | 9781249 |
| 14 | 244140749 |
| 15 | 244218749 |
| 16 | 292968749 |
| 17 | 30517968749 |
| 18 | 152587890649 |
| 19 | 152587891249 |
| 20 | 152587893749 |
| 21 | 152597656249 |
| 22 | 152636718749 |
| 23 | 3814697281249 |
| 24 | 3814697656249 |
| 25 | 19073486328749 |
| 26 | 95367441406249 |