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 | 9 |
| 2 | 20449 |
| 3 | 75625 |
| 4 | 238144 |
| 5 | 2208196 |
| 6 | 3579664 |
| 7 | 29192409 |
| 8 | 39992976 |
| 9 | 45441081 |
| 10 | 55591936 |
| 11 | 77281681 |
| 12 | 108076816 |
| 13 | 114982729 |
| 14 | 155625625 |
| 15 | 226201600 |
| 16 | 302899216 |
| 17 | 324648324 |
| 18 | 519657616 |
| 19 | 551310400 |
| 20 | 618317956 |
| 21 | 796989361 |
| 22 | 943964176 |
| 23 | 1039675536 |