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 | 4 |
| 3 | 31 |
| 4 | 91 |
| 5 | 183 |
| 6 | 4411 |
| 7 | 29611 |
| 8 | 59935 |
| 9 | 110791 |
| 10 | 10418851 |
| 11 | 658653031 |
| 12 | 20123369491 |
| 13 | 518294316451 |
| 14 | 947137685251 |