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 | 56 |
| 2 | 210 |
| 3 | 504 |
| 4 | 1260 |
| 5 | 1365 |
| 6 | 1680 |
| 7 | 1716 |
| 8 | 2520 |
| 9 | 5040 |
| 10 | 7560 |
| 11 | 9240 |
| 12 | 13860 |
| 13 | 15120 |
| 14 | 17550 |
| 15 | 21840 |
| 16 | 24024 |
| 17 | 25200 |
| 18 | 25740 |
| 19 | 27720 |
| 20 | 30030 |
| 21 | 42504 |
| 22 | 43680 |
| 23 | 55440 |
| 24 | 60060 |
| 25 | 69300 |
| 26 | 72072 |
| 27 | 75600 |
| 28 | 77520 |
| 29 | 83160 |
| 30 | 110880 |
| 31 | 120120 |
| 32 | 151200 |
| 33 | 154440 |
| 34 | 166320 |
| 35 | 168168 |
| 36 | 180180 |
| 37 | 185640 |
| 38 | 203490 |