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 | 12 |
| 2 | 30 |
| 3 | 60 |
| 4 | 90 |
| 5 | 108 |
| 6 | 180 |
| 7 | 234 |
| 8 | 240 |
| 9 | 390 |
| 10 | 408 |
| 11 | 420 |
| 12 | 462 |
| 13 | 480 |
| 14 | 490 |
| 15 | 630 |
| 16 | 756 |
| 17 | 840 |
| 18 | 880 |
| 19 | 900 |
| 20 | 945 |
| 21 | 1122 |
| 22 | 1218 |
| 23 | 1248 |
| 24 | 1430 |
| 25 | 1500 |
| 26 | 1512 |
| 27 | 1560 |
| 28 | 1584 |
| 29 | 1998 |
| 30 | 2070 |
| 31 | 2100 |
| 32 | 2310 |
| 33 | 2460 |
| 34 | 2520 |
| 35 | 2652 |
| 36 | 2660 |
| 37 | 2970 |
| 38 | 3306 |
| 39 | 3330 |
| 40 | 3528 |
| 41 | 3780 |
| 42 | 3960 |
| 43 | 4004 |
| 44 | 4032 |
| 45 | 4134 |
| 46 | 4140 |
| 47 | 4275 |
| 48 | 4788 |