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 | 8 |
| 2 | 15 |
| 3 | 16 |
| 4 | 24 |
| 5 | 56 |
| 6 | 134217784 |
| 7 | 134217785 |
| 8 | 134479929 |
| 9 | 134479961 |
| 10 | 134480473 |
| 11 | 134481497 |
| 12 | 134872122 |
| 13 | 522292611 |
| 14 | 522292611 |
| 15 | 522554755 |
| 16 | 522554880 |
| 17 | 522554884 |
| 18 | 522554911 |
| 19 | 522945536 |
| 20 | 522945617 |