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 | 161280 |
| 2 | 362880 |
| 3 | 40320 |
| 4 | 51752 |
| 5 | 31680 |
| 6 | 27776 |
| 7 | 21271 |
| 8 | 19138 |
| 9 | 15788 |
| 10 | 12613 |
| 11 | 11707 |
| 12 | 9072 |
| 13 | 8832 |
| 14 | 8423 |
| 15 | 7725 |
| 16 | 6822 |
| 17 | 6241 |
| 18 | 5937 |
| 19 | 5454 |
| 20 | 5113 |
| 21 | 4796 |
| 22 | 4629 |
| 23 | 4310 |
| 24 | 4122 |
| 25 | 3744 |
| 26 | 3168 |
| 27 | 3528 |
| 28 | 3410 |
| 29 | 3305 |
| 30 | 3160 |
| 31 | 2826 |
| 32 | 2827 |
| 33 | 2778 |
| 34 | 2619 |
| 35 | 2316 |
| 36 | 2297 |
| 37 | 2297 |
| 38 | 2173 |
| 39 | 2163 |
| 40 | 2094 |
| 41 | 2077 |
| 42 | 2027 |
| 43 | 1879 |
| 44 | 1915 |
| 45 | 1836 |
| 46 | 1780 |
| 47 | 1773 |