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 | 12 |
| 2 | 180 |
| 3 | 810 |
| 4 | 5640 |
| 5 | 9420 |
| 6 | 18042 |
| 7 | 62970 |
| 8 | 88800 |
| 9 | 97842 |
| 10 | 109830 |
| 11 | 165702 |
| 12 | 284730 |
| 13 | 392262 |
| 14 | 452520 |
| 15 | 626610 |
| 16 | 663570 |
| 17 | 663582 |
| 18 | 855720 |
| 19 | 983430 |
| 20 | 1002342 |
| 21 | 1003350 |
| 22 | 1068702 |
| 23 | 1146780 |
| 24 | 1155612 |
| 25 | 1322160 |
| 26 | 1329702 |
| 27 | 1592862 |
| 28 | 1678752 |
| 29 | 1718862 |
| 30 | 1748472 |
| 31 | 2116560 |
| 32 | 2144490 |