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 | 23 |
| 5 | 27 |
| 6 | 55 |
| 7 | 73 |
| 8 | 76 |
| 9 | 377 |
| 10 | 396 |
| 11 | 432 |
| 12 | 18219 |
| 13 | 18231 |
| 14 | 747343 |
| 15 | 748635 |
| 16 | 5523608 |
| 17 | 7626590 |
| 18 | 32866452 |
| 19 | 82251007 |
| 20 | 1133553044 |
| 21 | 1778903359 |
| 22 | 3664408636 |
| 23 | 7208605769 |
| 24 | 26149894782 |