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 | 3 |
| 2 | 11 |
| 3 | 36 |
| 4 | 115 |
| 5 | 363 |
| 6 | 1095 |
| 7 | 11576 |
| 8 | 36624 |
| 9 | 363504 |
| 10 | 391576 |
| 11 | 391588 |
| 12 | 36333648 |
| 13 | 123288823 |
| 14 | 3660785999 |
| 15 | 11014541352775 |
| 16 | 39410677756315 |
| 17 | 124633627940188 |