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) |
|---|---|
| 0 | 8 |
| 1 | 17 |
| 2 | 42 |
| 3 | 59 |
| 4 | 455 |
| 5 | 514 |
| 6 | 1483 |
| 7 | 3480 |
| 8 | 57163 |
| 9 | 117806 |
| 10 | 292775 |
| 11 | 410581 |
| 12 | 3166842 |
| 13 | 3577423 |
| 14 | 10321688 |
| 15 | 24220799 |
| 16 | 397854472 |
| 17 | 819929743 |
| 18 | 2037713958 |
| 19 | 2857643701 |
| 20 | 22041219865 |
| 21 | 24898863566 |
| 22 | 71838946997 |
| 23 | 168576757560 |
| 24 | 2769067067957 |
| 25 | 5706710893474 |
| 26 | 14182488854905 |