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 | 1 |
| 2 | 4 |
| 3 | 14 |
| 4 | 43 |
| 5 | 46 |
| 6 | 141 |
| 7 | 4900 |
| 8 | 10264541 |
| 9 | 10281244 |
| 10 | 10281247 |
| 11 | 10281248 |
| 12 | 10281249 |
| 13 | 10281266 |
| 14 | 10281271 |
| 15 | 10368575 |
| 16 | 531439030 |
| 17 | 1997778943 |
| 18 | 412276655628 |