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 | 1 |
| 2 | 40 |
| 3 | 48 |
| 4 | 1600 |
| 5 | 64 |
| 6 | 1920 |
| 7 | 80 |
| 8 | 64000 |
| 9 | 2304 |
| 10 | 2560 |
| 11 | 112 |
| 12 | 76800 |
| 13 | 128 |
| 14 | 3200 |
| 15 | 3072 |
| 16 | 2560000 |
| 17 | 160 |
| 18 | 92160 |
| 19 | 176 |
| 20 | 102400 |
| 21 | 3840 |
| 22 | 4480 |
| 23 | 208 |
| 24 | 3072000 |
| 25 | 4096 |
| 26 | 5120 |
| 27 | 110592 |
| 28 | 128000 |
| 29 | 256 |
| 30 | 122880 |
| 31 | 272 |
| 32 | 102400000 |
| 33 | 5376 |
| 34 | 6400 |
| 35 | 5120 |
| 36 | 3686400 |
| 37 | 320 |
| 38 | 7040 |
| 39 | 6144 |
| 40 | 4096000 |
| 41 | 352 |
| 42 | 153600 |