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 | 9 |
| 2 | 15 |
| 3 | 24 |
| 4 | 39 |
| 5 | 63 |
| 6 | 102 |
| 7 | 135 |
| 8 | 165 |
| 9 | 216 |
| 10 | 267 |
| 11 | 351 |
| 12 | 360 |
| 13 | 432 |
| 14 | 567 |
| 15 | 585 |
| 16 | 699 |
| 17 | 918 |
| 18 | 936 |
| 19 | 945 |
| 20 | 1131 |
| 21 | 1485 |
| 22 | 1512 |
| 23 | 1530 |
| 24 | 1830 |
| 25 | 2403 |
| 26 | 2448 |
| 27 | 2457 |
| 28 | 2475 |
| 29 | 2961 |
| 30 | 3240 |
| 31 | 3888 |
| 32 | 3960 |
| 33 | 3978 |
| 34 | 4005 |
| 35 | 4791 |
| 36 | 5265 |
| 37 | 6291 |
| 38 | 6408 |
| 39 | 6426 |
| 40 | 6435 |
| 41 | 6480 |
| 42 | 7752 |
| 43 | 8424 |
| 44 | 8505 |
| 45 | 10179 |
| 46 | 10368 |
| 47 | 10395 |