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 | 0 |
| 2 | 6 |
| 3 | 30 |
| 4 | 35 |
| 5 | 84 |
| 6 | 180 |
| 7 | 204 |
| 8 | 210 |
| 9 | 297 |
| 10 | 330 |
| 11 | 546 |
| 12 | 840 |
| 13 | 1170 |
| 14 | 1189 |
| 15 | 1224 |
| 16 | 1710 |
| 17 | 2310 |
| 18 | 2940 |
| 19 | 2970 |
| 20 | 3036 |
| 21 | 3230 |
| 22 | 3900 |
| 23 | 4914 |
| 24 | 6090 |
| 25 | 6930 |
| 26 | 7134 |
| 27 | 7140 |
| 28 | 7245 |
| 29 | 7440 |
| 30 | 8976 |
| 31 | 10710 |
| 32 | 12654 |
| 33 | 14175 |
| 34 | 14820 |
| 35 | 16296 |
| 36 | 16380 |
| 37 | 17220 |
| 38 | 19866 |
| 39 | 22770 |
| 40 | 25172 |
| 41 | 25944 |
| 42 | 29103 |