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 | 288 |
| 2 | 414 |
| 3 | 450 |
| 4 | 684 |
| 5 | 972 |
| 6 | 1080 |
| 7 | 1206 |
| 8 | 1242 |
| 9 | 1296 |
| 10 | 1458 |
| 11 | 1620 |
| 12 | 1674 |
| 13 | 1782 |
| 14 | 1998 |
| 15 | 2196 |
| 16 | 2304 |
| 17 | 2592 |
| 18 | 2826 |
| 19 | 2988 |
| 20 | 3150 |