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 | 0 |
| 2 | 8 |
| 3 | 27 |
| 4 | 126 |
| 5 | 626 |
| 6 | 3126 |
| 7 | 15626 |
| 8 | 78126 |
| 9 | 390626 |
| 10 | 1953126 |
| 11 | 9765626 |
| 12 | 9765824 |
| 13 | 48828126 |
| 14 | 244140626 |
| 15 | 244140699 |
| 16 | 244141624 |
| 17 | 1220703126 |
| 18 | 1220703127 |
| 19 | 6103515626 |
| 20 | 6103515639 |
| 21 | 6103515656 |
| 22 | 6103515699 |
| 23 | 6103515999 |
| 24 | 6103520624 |