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 | 409476689 |
| 2 | 567234347 |
| 3 | 626039111 |
| 4 | 1072153139 |
| 5 | 1496271467 |
| 6 | 2076082213 |
| 7 | 2624039507 |
| 8 | 2727032857 |
| 9 | 3211049893 |
| 10 | 3735161737 |
| 11 | 5378782091 |
| 12 | 6126967991 |
| 13 | 6945015541 |
| 14 | 6976654453 |
| 15 | 8002150391 |
| 16 | 8363830667 |
| 17 | 9010299827 |
| 18 | 9238046989 |
| 19 | 9559151653 |
| 20 | 10108444091 |
| 21 | 10673561207 |
| 22 | 11220524747 |
| 23 | 11755487027 |