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) |
|---|---|
| 2 | 3 |
| 3 | -5 |
| 4 | -8 |
| 5 | 25 |
| 6 | 22 |
| 7 | 30 |
| 8 | -119 |
| 9 | -122 |
| 10 | -114 |
| 11 | -144 |
| 12 | 721 |
| 13 | 718 |
| 14 | 726 |
| 15 | 696 |
| 16 | 840 |
| 17 | -5039 |
| 18 | -5042 |
| 19 | -5034 |
| 20 | -5064 |
| 21 | -4920 |
| 22 | -5760 |
| 23 | 40321 |
| 24 | 40318 |
| 25 | 40326 |
| 26 | 40296 |
| 27 | 40440 |
| 28 | 39600 |
| 29 | 45360 |
| 30 | -362879 |
| 31 | -362882 |
| 32 | -362874 |
| 33 | -362904 |
| 34 | -362760 |
| 35 | -363600 |
| 36 | -357840 |
| 37 | -403200 |
| 38 | 3628801 |
| 39 | 3628798 |
| 40 | 3628806 |
| 41 | 3628776 |
| 42 | 3628920 |
| 43 | 3628080 |
| 44 | 3633840 |
| 45 | 3588480 |
| 46 | 3991680 |