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 | 403185216600637 |
| 2 | 405309730001647 |
| 3 | 407434243402657 |
| 4 | 409558756803667 |
| 5 | 411683270204677 |
| 6 | 413807783605687 |
| 7 | 415932297006697 |
| 8 | 418056810407707 |
| 9 | 420181323808717 |
| 10 | 422305837209727 |
| 11 | 424430350610737 |
| 12 | 426554864011747 |
| 13 | 428679377412757 |
| 14 | 430803890813767 |
| 15 | 432928404214777 |