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 | 5 |
| 3 | 8 |
| 4 | 60 |
| 5 | 11640 |
| 6 | 14881 |
| 7 | 23098 |
| 8 | 90040 |
| 9 | 239883 |
| 10 | 1631365 |
| 11 | 2803282 |
| 12 | 4276595 |
| 13 | 4343763 |
| 14 | 10834865 |
| 15 | 50457394 |
| 16 | 101387685 |
| 17 | 349770616 |
| 18 | 384832508 |
| 19 | 1025023303 |
| 20 | 1582124479 |
| 21 | 7753484647 |
| 22 | 14554741880 |
| 23 | 110768341257 |
| 24 | 246113848342 |