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 | 0 |
| 2 | 24 |
| 3 | 28 |
| 4 | 100 |
| 5 | 108 |
| 6 | 228 |
| 7 | 240 |
| 8 | 408 |
| 9 | 424 |
| 10 | 640 |
| 11 | 660 |
| 12 | 924 |
| 13 | 948 |
| 14 | 1260 |
| 15 | 1288 |
| 16 | 1648 |
| 17 | 1680 |
| 18 | 2088 |
| 19 | 2124 |
| 20 | 2580 |
| 21 | 2620 |
| 22 | 3124 |
| 23 | 3168 |
| 24 | 3720 |
| 25 | 3768 |
| 26 | 4368 |
| 27 | 4420 |
| 28 | 5068 |
| 29 | 5124 |
| 30 | 5820 |
| 31 | 5880 |
| 32 | 6624 |
| 33 | 6688 |
| 34 | 7480 |
| 35 | 7548 |
| 36 | 8388 |
| 37 | 8460 |
| 38 | 9348 |
| 39 | 9424 |
| 40 | 10360 |
| 41 | 10440 |
| 42 | 11424 |
| 43 | 11508 |
| 44 | 12540 |
| 45 | 12628 |