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 | 4 |
| 3 | 8 |
| 4 | 38 |
| 5 | 155 |
| 6 | 828 |
| 7 | 4390 |
| 8 | 25202 |
| 9 | 146803 |
| 10 | 878708 |
| 11 | 5330524 |
| 12 | 32785934 |
| 13 | 203687695 |
| 14 | 1276913732 |
| 15 | 8065359582 |
| 16 | 51282069040 |