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 | 1155 |
| 2 | 3465 |
| 3 | 5775 |
| 4 | 8085 |
| 5 | 10395 |
| 6 | 12705 |
| 7 | 17325 |
| 8 | 24255 |
| 9 | 28875 |
| 10 | 31185 |
| 11 | 38115 |
| 12 | 40425 |
| 13 | 51975 |
| 14 | 56595 |
| 15 | 63525 |
| 16 | 72765 |
| 17 | 86625 |
| 18 | 88935 |
| 19 | 93555 |
| 20 | 114345 |
| 21 | 121275 |
| 22 | 139755 |
| 23 | 144375 |
| 24 | 155925 |
| 25 | 169785 |
| 26 | 190575 |
| 27 | 202125 |
| 28 | 218295 |
| 29 | 259875 |
| 30 | 266805 |
| 31 | 280665 |
| 32 | 282975 |
| 33 | 317625 |