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 | 1 |
| 2 | 3 |
| 3 | 4 |
| 4 | 5 |
| 5 | 182735 |
| 6 | 243638 |
| 7 | 456498 |
| 8 | 578004 |
| 9 | 669156 |
| 10 | 1063563 |
| 11 | 1093967 |
| 12 | 1671118 |
| 13 | 1974220 |
| 14 | 2125785 |
| 15 | 2398346 |
| 16 | 2428677 |
| 17 | 3428717 |
| 18 | 3732005 |
| 19 | 4065453 |
| 20 | 4458923 |
| 21 | 4640700 |
| 22 | 8760267 |