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 | 512 |
| 2 | 17576 |
| 3 | 35287552 |
| 4 | 107171875 |
| 5 | 3029741623 |
| 6 | 3666512088 |
| 7 | 7233848504 |
| 8 | 10417365504 |
| 9 | 11194326053 |
| 10 | 12008989000 |
| 11 | 25908060079 |
| 12 | 36528273432 |
| 13 | 40707584000 |
| 14 | 47555965367 |
| 15 | 49958012987 |
| 16 | 63664587657 |
| 17 | 84258095104 |
| 18 | 96386901625 |
| 19 | 573441954112 |
| 20 | 973242271000 |