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 | 19 |
| 2 | 67 |
| 3 | 211 |
| 4 | 643 |
| 5 | 3667 |
| 6 | 5827 |
| 7 | 17491 |
| 8 | 104971 |
| 9 | 628123 |
| 10 | 1795063 |
| 11 | 2759719 |
| 12 | 4251523 |
| 13 | 12754579 |
| 14 | 83086924 |