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 | 6 |
| 3 | 16 |
| 4 | 42 |
| 5 | 47 |
| 6 | 62 |
| 7 | 109 |
| 8 | 191 |
| 9 | 221 |
| 10 | 509 |
| 11 | 3671 |
| 12 | 4229 |
| 13 | 4886 |
| 14 | 6967 |
| 15 | 12086 |