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 | 0 |
| 2 | 2 |
| 3 | 6 |
| 4 | 18 |
| 5 | 34 |
| 6 | 48 |
| 7 | 62 |
| 8 | 108 |
| 9 | 166 |
| 10 | 242 |
| 11 | 334 |
| 12 | 512 |
| 13 | 706 |
| 14 | 984 |
| 15 | 1368 |
| 16 | 1876 |
| 17 | 2492 |
| 18 | 3360 |
| 19 | 4422 |
| 20 | 5848 |
| 21 | 7574 |
| 22 | 9792 |
| 23 | 12596 |
| 24 | 16130 |
| 25 | 20412 |
| 26 | 25850 |