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 | 52488 |
| 2 | 15336 |
| 3 | -20088 |
| 4 | 219375 |
| 5 | -293625 |
| 6 | -474552 |
| 7 | 1367631 |
| 8 | -297 |
| 9 | 100872 |
| 10 | -105624 |
| 11 | 6021000 |
| 12 | -6615000 |
| 13 | 40608000 |
| 14 | -45360000 |
| 15 | -423360000 |
| 16 | 69641775 |
| 17 | -72560097 |
| 18 | 110160000 |
| 19 | -114912000 |
| 20 | -1216512 |
| 21 | 1418946687 |
| 22 | -1507379625 |
| 23 | 1450230912 |
| 24 | -1533752064 |
| 25 | 2143550952 |
| 26 | 4566375 |