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 | 10 |
| 2 | -7 |
| 3 | -856 |
| 4 | -1743 |
| 5 | 82926 |
| 6 | 1491625 |
| 7 | 18663628 |
| 8 | 212261729 |
| 9 | 2353164722 |
| 10 | 25927424601 |
| 11 | 285292183440 |
| 12 | 3138392544913 |
| 13 | 34522649395414 |
| 14 | 379749728169737 |
| 15 | 4177247998556276 |
| 16 | 45949729595136705 |
| 17 | 505447028088955098 |