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 | 43 |
| 2 | 265 |
| 3 | 1634 |
| 4 | 10082 |
| 5 | 62249 |
| 6 | 384605 |
| 7 | 2377935 |
| 8 | 14712729 |
| 9 | 91096234 |
| 10 | 564452368 |
| 11 | 3500093507 |
| 12 | 21720172553 |
| 13 | 134891317195 |
| 14 | 838393028557 |
| 15 | 5215069599851 |
| 16 | 32465881779821 |
| 17 | 202280863699652 |
| 18 | 1261388175969986 |
| 19 | 7872540872887539 |