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 | 11 |
| 2 | 15 |
| 3 | 32 |
| 4 | 54 |
| 5 | 96 |
| 6 | 264 |
| 7 | 396 |
| 8 | 528 |
| 9 | 540 |
| 10 | 1560 |
| 11 | 2016 |
| 12 | 3120 |
| 13 | 4032 |
| 14 | 4200 |
| 15 | 8820 |
| 16 | 10560 |
| 17 | 10800 |
| 18 | 13440 |
| 19 | 16380 |
| 20 | 23760 |
| 21 | 37440 |
| 22 | 37800 |
| 23 | 71280 |
| 24 | 79200 |
| 25 | 87360 |
| 26 | 90720 |
| 27 | 128520 |
| 28 | 163800 |
| 29 | 257040 |
| 30 | 352800 |
| 31 | 369600 |
| 32 | 428400 |
| 33 | 443520 |
| 34 | 861840 |
| 35 | 887040 |
| 36 | 997920 |
| 37 | 1580040 |
| 38 | 1940400 |
| 39 | 1965600 |