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 | 77 |
| 2 | 2079 |
| 3 | 4928 |
| 4 | 30107 |
| 5 | 56133 |
| 6 | 133056 |
| 7 | 315392 |
| 8 | 812889 |
| 9 | 1203125 |
| 10 | 1515591 |
| 11 | 1926848 |
| 12 | 3592512 |
| 13 | 8515584 |
| 14 | 9058973 |
| 15 | 20185088 |
| 16 | 21948003 |
| 17 | 32484375 |
| 18 | 40920957 |
| 19 | 52024896 |
| 20 | 77000000 |
| 21 | 96997824 |
| 22 | 123318272 |
| 23 | 136410197 |
| 24 | 229920768 |
| 25 | 244592271 |
| 26 | 342513171 |
| 27 | 371664293 |
| 28 | 470421875 |