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 | 41 |
| 2 | 1296 |
| 3 | 2000 |
| 4 | 5248 |
| 5 | 9744 |
| 6 | 32384 |
| 7 | 107472 |
| 8 | 362176 |
| 9 | 1220752 |
| 10 | 4108688 |
| 11 | 13848016 |
| 12 | 46763600 |
| 13 | 158042960 |
| 14 | 534108640 |
| 15 | 1804746272 |
| 16 | 6098041456 |
| 17 | 20605419360 |
| 18 | 69627945984 |
| 19 | 235280517632 |
| 20 | 795033992240 |
| 21 | 2686484835680 |
| 22 | 9077858469008 |