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 | 8 |
| 2 | 32 |
| 3 | 100 |
| 4 | 276 |
| 5 | 708 |
| 6 | 1732 |
| 7 | 4100 |
| 8 | 9476 |
| 9 | 21508 |
| 10 | 48132 |
| 11 | 106500 |
| 12 | 233476 |
| 13 | 507908 |
| 14 | 1097732 |
| 15 | 2359300 |
| 16 | 5046276 |
| 17 | 10747908 |
| 18 | 22806532 |
| 19 | 48234500 |
| 20 | 101711876 |
| 21 | 213909508 |
| 22 | 448790532 |
| 23 | 939524100 |
| 24 | 1962934276 |
| 25 | 4093640708 |
| 26 | 8522825732 |
| 27 | 17716740100 |
| 28 | 36775657476 |
| 29 | 76235669508 |