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 | 341 |
| 2 | 561 |
| 3 | 645 |
| 4 | 1105 |
| 5 | 2047 |
| 6 | 4369 |
| 7 | 4681 |
| 8 | 5461 |
| 9 | 8481 |
| 10 | 16705 |
| 11 | 33153 |
| 12 | 266305 |
| 13 | 278545 |
| 14 | 526593 |
| 15 | 1052929 |
| 16 | 1082401 |
| 17 | 1398101 |
| 18 | 2113665 |
| 19 | 2162721 |
| 20 | 2290641 |
| 21 | 4259905 |
| 22 | 6242685 |
| 23 | 7674967 |
| 24 | 8388607 |
| 25 | 16843009 |
| 26 | 17895697 |
| 27 | 22369621 |
| 28 | 34603041 |
| 29 | 67371265 |
| 30 | 268505089 |
| 31 | 280885153 |
| 32 | 285212689 |