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 | 387 |
| 2 | 431 |
| 3 | 569 |
| 4 | 613 |
| 5 | 816 |
| 6 | 4523 |
| 7 | 5477 |
| 8 | 90912 |
| 9 | 316834 |
| 10 | 683166 |
| 11 | 3636366 |
| 12 | 6363634 |
| 13 | 82352944 |
| 14 | 331668334 |
| 15 | 368421055 |
| 16 | 395604393 |
| 17 | 442767756 |
| 18 | 461538464 |
| 19 | 488721802 |
| 20 | 511278198 |
| 21 | 538461536 |
| 22 | 557232244 |
| 23 | 604395607 |
| 24 | 631578945 |
| 25 | 668331666 |