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 | 387420489 |
| 2 | 193710244 |
| 3 | 129140163 |
| 4 | 96855122 |
| 5 | 77484097 |
| 6 | 64570081 |
| 7 | 55345784 |
| 8 | 48427561 |
| 9 | 43046721 |
| 10 | 38742048 |
| 11 | 35220044 |
| 12 | 32285040 |
| 13 | 29801576 |
| 14 | 27672892 |
| 15 | 25828032 |
| 16 | 24213780 |
| 17 | 22789440 |
| 18 | 21523360 |
| 19 | 20390552 |
| 20 | 19371024 |
| 21 | 18448594 |