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 | 18 |
| 2 | 72 |
| 3 | 882 |
| 4 | 1152 |
| 5 | 2592 |
| 6 | 3528 |
| 7 | 4050 |
| 8 | 15138 |
| 9 | 20808 |
| 10 | 34848 |
| 11 | 46818 |
| 12 | 69192 |
| 13 | 83232 |
| 14 | 103968 |
| 15 | 112338 |
| 16 | 149058 |
| 17 | 176418 |
| 18 | 180000 |
| 19 | 206082 |
| 20 | 281250 |
| 21 | 362952 |
| 22 | 388962 |
| 23 | 438048 |
| 24 | 472392 |
| 25 | 478242 |
| 26 | 538722 |
| 27 | 649800 |
| 28 | 734472 |
| 29 | 808992 |
| 30 | 960498 |
| 31 | 1080450 |
| 32 | 1143072 |