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) |
|---|---|
| 0 | 8 |
| 1 | 26 |
| 2 | 98 |
| 3 | 386 |
| 4 | 1538 |
| 5 | 6146 |
| 6 | 24578 |
| 7 | 98306 |
| 8 | 393218 |
| 9 | 1572866 |
| 10 | 6291458 |
| 11 | 25165826 |
| 12 | 100663298 |
| 13 | 402653186 |
| 14 | 1610612738 |
| 15 | 6442450946 |
| 16 | 25769803778 |
| 17 | 103079215106 |
| 18 | 412316860418 |
| 19 | 1649267441666 |
| 20 | 6597069766658 |
| 21 | 26388279066626 |
| 22 | 105553116266498 |
| 23 | 422212465065986 |
| 24 | 1688849860263938 |