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 | -120 |
| 1 | 184 |
| 2 | -824 |
| 3 | 14136 |
| 4 | 150664 |
| 5 | 717880 |
| 6 | 2389704 |
| 7 | 6412216 |
| 8 | 14857096 |
| 9 | 30921144 |
| 10 | 59271880 |
| 11 | 106439224 |
| 12 | 181253256 |
| 13 | 295328056 |
| 14 | 463591624 |
| 15 | 704861880 |
| 16 | 1042468744 |
| 17 | 1504922296 |
| 18 | 2126627016 |
| 19 | 2948642104 |
| 20 | 4019487880 |
| 21 | 5395998264 |
| 22 | 7144219336 |
| 23 | 9340353976 |
| 24 | 12071752584 |