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 | 2 |
| 2 | 6 |
| 3 | 18 |
| 4 | 24 |
| 5 | 42 |
| 6 | 54 |
| 7 | 120 |
| 8 | 258 |
| 9 | 396 |
| 10 | 480 |
| 11 | 612 |
| 12 | 840 |
| 13 | 1074 |
| 14 | 1800 |
| 15 | 2130 |
| 16 | 2172 |
| 17 | 2256 |
| 18 | 2550 |
| 19 | 2694 |
| 20 | 3282 |
| 21 | 3492 |
| 22 | 3690 |
| 23 | 3810 |
| 24 | 4110 |
| 25 | 4626 |
| 26 | 4788 |
| 27 | 4860 |
| 28 | 4992 |
| 29 | 5148 |
| 30 | 5280 |
| 31 | 5958 |
| 32 | 5994 |
| 33 | 6804 |
| 34 | 7920 |
| 35 | 9654 |
| 36 | 9660 |
| 37 | 11082 |
| 38 | 16134 |