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) |
|---|---|
| 2 | 8 |
| 3 | 42 |
| 4 | 104 |
| 5 | 224 |
| 6 | 264 |
| 7 | 780 |
| 8 | 592 |
| 9 | 1680 |
| 10 | 1520 |
| 11 | 2880 |
| 12 | 1896 |
| 13 | 5642 |
| 14 | 2968 |
| 15 | 5808 |
| 16 | 8736 |
| 17 | 9548 |
| 18 | 7200 |
| 19 | 15360 |
| 20 | 8440 |
| 21 | 19488 |
| 22 | 19032 |
| 23 | 23040 |
| 24 | 14448 |
| 25 | 49920 |
| 26 | 23560 |
| 27 | 31836 |
| 28 | 32912 |
| 29 | 53312 |
| 30 | 34200 |
| 31 | 77688 |
| 32 | 38912 |
| 33 | 70812 |
| 34 | 62088 |
| 35 | 74088 |
| 36 | 67584 |
| 37 | 152320 |
| 38 | 56392 |
| 39 | 107520 |
| 40 | 99736 |