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 | 18 |
| 3 | 78 |
| 4 | 138 |
| 5 | 222 |
| 6 | 462 |
| 7 | 543 |
| 8 | 1095 |
| 9 | 1418 |
| 10 | 3246 |
| 11 | 3876 |
| 12 | 4416 |
| 13 | 9506 |
| 14 | 11090 |
| 15 | 14601 |
| 16 | 27810 |
| 17 | 29187 |