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 | 1 |
| 3 | 2 |
| 4 | 1 |
| 5 | 5 |
| 6 | 6 |
| 7 | 1 |
| 8 | 12 |
| 9 | 23 |
| 10 | 24 |
| 11 | 1 |
| 12 | 27 |
| 13 | 93 |
| 14 | 119 |
| 15 | 120 |
| 16 | 1 |
| 17 | 58 |
| 18 | 360 |
| 19 | 662 |
| 20 | 719 |
| 21 | 720 |
| 22 | 1 |
| 23 | 121 |
| 24 | 1312 |
| 25 | 3728 |
| 26 | 4919 |
| 27 | 5039 |
| 28 | 5040 |
| 29 | 1 |
| 30 | 248 |
| 31 | 4541 |
| 32 | 20160 |
| 33 | 35779 |
| 34 | 40072 |
| 35 | 40319 |
| 36 | 40320 |
| 37 | 1 |
| 38 | 503 |
| 39 | 15111 |
| 40 | 103345 |
| 41 | 259535 |
| 42 | 347769 |
| 43 | 362377 |
| 44 | 362879 |
| 45 | 362880 |