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 | 3 |
| 2 | 32 |
| 3 | 292 |
| 4 | 2608 |
| 5 | 23327 |
| 6 | 209892 |
| 7 | 1903925 |
| 8 | 17426119 |
| 9 | 160785303 |
| 10 | 1493767176 |
| 11 | 13959963675 |
| 12 | 131125939909 |
| 13 | 1237087823423 |
| 14 | 11715901648298 |
| 15 | 111329815356516 |
| 16 | 1061057287085058 |