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 | 30 |
| 2 | 60 |
| 3 | 216 |
| 4 | 336 |
| 5 | 486 |
| 6 | 546 |
| 7 | 726 |
| 8 | 756 |
| 9 | 1350 |
| 10 | 1716 |
| 11 | 2166 |
| 12 | 8670 |
| 13 | 8976 |
| 14 | 10086 |
| 15 | 10296 |
| 16 | 12150 |
| 17 | 15606 |
| 18 | 18150 |
| 19 | 24576 |
| 20 | 28566 |
| 21 | 30246 |
| 22 | 34656 |
| 23 | 37050 |
| 24 | 37446 |
| 25 | 47526 |
| 26 | 52026 |
| 27 | 59340 |
| 28 | 68040 |
| 29 | 71610 |
| 30 | 73926 |
| 31 | 74256 |
| 32 | 80730 |
| 33 | 80736 |
| 34 | 82140 |
| 35 | 99846 |
| 36 | 107736 |
| 37 | 118326 |
| 38 | 124416 |
| 39 | 155526 |
| 40 | 169830 |