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 | 9 |
| 2 | 20 |
| 3 | 176 |
| 4 | 184 |
| 5 | 277 |
| 6 | 2669 |
| 7 | 15705 |
| 8 | 233202 |
| 9 | 241202 |
| 10 | 445657 |
| 11 | 742714 |
| 12 | 2095479 |
| 13 | 4697536 |
| 14 | 10508788 |
| 15 | 20308656 |
| 16 | 55683878 |
| 17 | 86603874 |