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 | 3 |
| 3 | 6 |
| 4 | 14 |
| 5 | 19 |
| 6 | 163 |
| 7 | 170 |
| 8 | 554 |
| 9 | 716 |
| 10 | 19916 |
| 11 | 19927 |
| 12 | 1264087 |
| 13 | 1264100 |
| 14 | 5779940 |
| 15 | 7237940 |
| 16 | 17559860 |
| 17 | 17559877 |
| 18 | 75264356677 |
| 19 | 75264356696 |
| 20 | 353956196696 |
| 21 | 355036399736 |
| 22 | 1254282070136 |
| 23 | 1254282070159 |
| 24 | 16687983940438159 |
| 25 | 16687983940813159 |
| 26 | 17351136747929959 |
| 27 | 17351143890496999 |