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 | 1 |
| 1 | -11 |
| 2 | -102 |
| 3 | 8063 |
| 4 | 64362 |
| 5 | -4379771 |
| 6 | -103203702 |
| 7 | 39494514631 |
| 8 | 309665666922 |
| 9 | -38109468665741 |
| 10 | -1493739282968502 |
| 11 | 449385406951534493 |
| 12 | 10568242939834352682 |
| 13 | -1878755744945825245511 |
| 14 | -103093170045575823968502 |
| 15 | 169174780534960399488076007 |
| 16 | 1326163404061745395490961642 |