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 | 2 |
| 2 | 129 |
| 3 | 257 |
| 4 | 384 |
| 5 | 2188 |
| 6 | 2443 |
| 7 | 6562 |
| 8 | 6689 |
| 9 | 8748 |
| 10 | 16385 |
| 11 | 16640 |
| 12 | 22945 |
| 13 | 65537 |
| 14 | 65664 |
| 15 | 67723 |
| 16 | 78126 |
| 17 | 78381 |
| 18 | 81920 |
| 19 | 84686 |
| 20 | 143661 |
| 21 | 279937 |
| 22 | 280192 |
| 23 | 286497 |
| 24 | 345472 |
| 25 | 390626 |
| 26 | 390753 |
| 27 | 392812 |
| 28 | 407009 |
| 29 | 468750 |
| 30 | 670561 |
| 31 | 823544 |
| 32 | 823799 |
| 33 | 830104 |
| 34 | 889079 |
| 35 | 1214168 |
| 36 | 1679617 |
| 37 | 1679744 |
| 38 | 1681803 |