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 | 2 |
| 2 | 5 |
| 3 | 30 |
| 4 | 54 |
| 5 | 81 |
| 6 | 109 |
| 7 | 149 |
| 8 | 186 |
| 9 | 513 |
| 10 | 1089 |
| 11 | 8158 |
| 12 | 8533 |
| 13 | 17178 |
| 14 | 34478 |
| 15 | 913274 |
| 16 | 976402 |