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) |
|---|---|
| 0 | 2 |
| 1 | 98 |
| 2 | 4802 |
| 3 | 235298 |
| 4 | 11529602 |
| 5 | 564950498 |
| 6 | 27682574402 |
| 7 | 1356446145698 |
| 8 | 66465861139202 |
| 9 | 3256827195820898 |
| 10 | 159584532595224002 |
| 11 | 7819642097165976098 |
| 12 | 383162462761132828802 |
| 13 | 18774960675295508611298 |
| 14 | 919973073089479921953602 |
| 15 | 45078680581384516175726498 |
| 16 | 2208855348487841292610598402 |