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 | 4348468741 |
| 2 | 5646352141 |
| 3 | 8962988581 |
| 4 | 9038426461 |
| 5 | 11609988391 |
| 6 | 11817434581 |
| 7 | 12350678341 |
| 8 | 13012156741 |
| 9 | 14241302461 |
| 10 | 15487852381 |
| 11 | 15511469821 |
| 12 | 15833904661 |
| 13 | 16476019141 |
| 14 | 16627692511 |
| 15 | 18075106141 |
| 16 | 18896377501 |
| 17 | 19490407861 |
| 18 | 21539102341 |
| 19 | 21757138261 |
| 20 | 24953494861 |