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 | -29 |
| 2 | -136 |
| 3 | -1704 |
| 4 | -6288 |
| 5 | -5160 |
| 6 | -14928 |
| 7 | 52080 |
| 8 | -97968 |
| 9 | -84000 |
| 10 | 98112 |
| 11 | -524400 |
| 12 | -84048 |
| 13 | 637488 |
| 14 | 231288 |
| 15 | -1558440 |
| 16 | -343200 |
| 17 | 844152 |
| 18 | -2799840 |
| 19 | 1152360 |
| 20 | 1469160 |
| 21 | -783240 |
| 22 | 4153800 |
| 23 | -4254000 |
| 24 | -11947320 |
| 25 | -498768 |
| 26 | -264360 |
| 27 | -559248 |
| 28 | 32952432 |
| 29 | -2061360 |
| 30 | -37128408 |
| 31 | -10466400 |
| 32 | 18355512 |