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 | 2 |
| 1 | 3 |
| 2 | 3 |
| 3 | -24 |
| 4 | 3 |
| 5 | 18 |
| 6 | -24 |
| 7 | 24 |
| 8 | 3 |
| 9 | -24 |
| 10 | 18 |
| 11 | 36 |
| 12 | -24 |
| 13 | 42 |
| 14 | 24 |
| 15 | -144 |
| 16 | 3 |
| 17 | 54 |
| 18 | -24 |
| 19 | 60 |
| 20 | 18 |
| 21 | -192 |
| 22 | 36 |
| 23 | 72 |
| 24 | -24 |
| 25 | 93 |
| 26 | 42 |
| 27 | -24 |
| 28 | 24 |
| 29 | 90 |
| 30 | -144 |
| 31 | 96 |
| 32 | 3 |
| 33 | -288 |
| 34 | 54 |
| 35 | 144 |
| 36 | -24 |
| 37 | 114 |
| 38 | 60 |
| 39 | -336 |
| 40 | 18 |
| 41 | 126 |
| 42 | -192 |
| 43 | 132 |
| 44 | 36 |
| 45 | -144 |
| 46 | 72 |
| 47 | 144 |
| 48 | -24 |
| 49 | 171 |
| 50 | 93 |
| 51 | -432 |
| 52 | 42 |
| 53 | 162 |
| 54 | -24 |
| 55 | 216 |
| 56 | 24 |
| 57 | -480 |