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 | 7 |
| 2 | 28 |
| 3 | 28 |
| 4 | 106 |
| 5 | 336 |
| 6 | 106 |
| 7 | 388 |
| 8 | 3636 |
| 9 | 3636 |
| 10 | 388 |
| 11 | 1387 |
| 12 | 37254 |
| 13 | 110854 |
| 14 | 37254 |
| 15 | 1387 |
| 16 | 4874 |
| 17 | 368218 |
| 18 | 3167295 |
| 19 | 3167295 |
| 20 | 368218 |
| 21 | 4874 |
| 22 | 16919 |
| 23 | 3543465 |
| 24 | 86468392 |
| 25 | 250149820 |
| 26 | 86468392 |
| 27 | 3543465 |
| 28 | 16919 |
| 29 | 58198 |
| 30 | 33420304 |
| 31 | 2279060645 |
| 32 | 18714498069 |