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 | 6 |
| 2 | 30 |
| 3 | 36 |
| 4 | 66 |
| 5 | 276 |
| 6 | 353 |
| 7 | 2816 |
| 8 | 3189 |
| 9 | 34350 |
| 10 | 48150 |
| 11 | 80190 |
| 12 | 1832496 |
| 13 | 2291610 |
| 14 | 5082306 |
| 15 | 10829346 |