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 | 2268 |
| 2 | 6300 |
| 3 | 30492 |
| 4 | 49392 |
| 5 | 81648 |
| 6 | 100800 |
| 7 | 170352 |
| 8 | 183708 |
| 9 | 197568 |
| 10 | 211932 |
| 11 | 242172 |
| 12 | 363888 |
| 13 | 444528 |
| 14 | 681408 |
| 15 | 847728 |
| 16 | 1032192 |
| 17 | 1342908 |
| 18 | 1694448 |
| 19 | 1820700 |
| 20 | 2041200 |
| 21 | 3049200 |