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) |
|---|---|
| 0 | 1 |
| 1 | 8 |
| 2 | 67 |
| 3 | 539 |
| 4 | 5034 |
| 5 | 45549 |
| 6 | 416913 |
| 7 | 3570781 |
| 8 | 32517377 |
| 9 | 294828478 |
| 10 | 2681147149 |
| 11 | 23720397369 |
| 12 | 212156228217 |