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 | 1 |
| 2 | 2 |
| 3 | 30 |
| 4 | 33 |
| 5 | 37 |
| 6 | 83 |
| 7 | 149 |
| 8 | 262 |
| 9 | 4030 |
| 10 | 31969 |
| 11 | 140225 |
| 12 | 182730 |
| 13 | 724754 |
| 14 | 2337094 |
| 15 | 3985753 |
| 16 | 4195221 |
| 17 | 4541725 |