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 | 3807 |
| 2 | 3896 |
| 3 | 52784 |
| 4 | 129556 |
| 5 | 157239 |
| 6 | 167600 |
| 7 | 185112 |
| 8 | 200871 |
| 9 | 281439 |
| 10 | 314199 |
| 11 | 347967 |
| 12 | 370647 |
| 13 | 399375 |
| 14 | 553648 |
| 15 | 623872 |
| 16 | 720703 |
| 17 | 815728 |
| 18 | 819775 |
| 19 | 856799 |
| 20 | 934975 |
| 21 | 994816 |