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 | 6 |
| 2 | 12 |
| 3 | 42 |
| 4 | 72 |
| 5 | 600 |
| 6 | 642 |
| 7 | 882 |
| 8 | 2130 |
| 9 | 2382 |
| 10 | 2688 |
| 11 | 3558 |
| 12 | 3582 |
| 13 | 4548 |
| 14 | 6132 |
| 15 | 7548 |
| 16 | 8010 |
| 17 | 9042 |
| 18 | 13398 |
| 19 | 13932 |
| 20 | 15972 |
| 21 | 17598 |
| 22 | 19140 |
| 23 | 21492 |
| 24 | 26250 |
| 25 | 26262 |
| 26 | 34512 |
| 27 | 38670 |
| 28 | 39228 |
| 29 | 39342 |
| 30 | 48312 |
| 31 | 49740 |
| 32 | 52542 |
| 33 | 53088 |
| 34 | 53592 |
| 35 | 55050 |
| 36 | 55662 |
| 37 | 56100 |
| 38 | 56712 |
| 39 | 65028 |
| 40 | 65448 |
| 41 | 65520 |