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 | 159 |
| 2 | 1034 |
| 3 | 6724 |
| 4 | 43727 |
| 5 | 284360 |
| 6 | 1849215 |
| 7 | 12025596 |
| 8 | 78203437 |
| 9 | 508563345 |
| 10 | 3307229006 |
| 11 | 21507180645 |
| 12 | 139862954332 |
| 13 | 909540228150 |
| 14 | 5914814473647 |
| 15 | 38464522156756 |
| 16 | 250137932701244 |
| 17 | 1626667429300337 |
| 18 | 10578351299907331 |