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 | 1 |
| 1 | 5 |
| 2 | 9 |
| 3 | 1 |
| 4 | 60 |
| 5 | 1 |
| 6 | 105 |
| 7 | 1 |
| 8 | 90 |
| 9 | 1 |
| 10 | 231 |
| 11 | 1 |
| 12 | 10920 |
| 13 | 1 |
| 14 | 27 |
| 15 | 1 |
| 16 | 2550 |
| 17 | 1 |
| 18 | 4389 |
| 19 | 1 |
| 20 | 1980 |
| 21 | 1 |
| 22 | 897 |
| 23 | 1 |
| 24 | 19110 |
| 25 | 1 |
| 26 | 45 |
| 27 | 1 |
| 28 | 6960 |
| 29 | 1 |
| 30 | 121737 |
| 31 | 1 |
| 32 | 4590 |
| 33 | 1 |
| 34 | 57 |
| 35 | 1 |
| 36 | 19191900 |
| 37 | 1 |
| 38 | 63 |
| 39 | 1 |
| 40 | 148830 |
| 41 | 1 |
| 42 | 20769 |
| 43 | 1 |
| 44 | 8280 |
| 45 | 1 |
| 46 | 3525 |
| 47 | 1 |
| 48 | 603330 |
| 49 | 1 |
| 50 | 891 |
| 51 | 1 |
| 52 | 22260 |
| 53 | 1 |
| 54 | 11571 |
| 55 | 1 |
| 56 | 13050 |
| 57 | 1 |