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 | 0 |
| 2 | 6 |
| 3 | 24 |
| 4 | 42 |
| 5 | 48 |
| 6 | 60 |
| 7 | 66 |
| 8 | 84 |
| 9 | 204 |
| 10 | 222 |
| 11 | 228 |
| 12 | 240 |
| 13 | 246 |
| 14 | 264 |
| 15 | 282 |
| 16 | 288 |
| 17 | 402 |
| 18 | 408 |
| 19 | 420 |
| 20 | 426 |
| 21 | 444 |
| 22 | 462 |
| 23 | 468 |
| 24 | 480 |
| 25 | 486 |
| 26 | 600 |
| 27 | 606 |
| 28 | 624 |
| 29 | 642 |
| 30 | 648 |
| 31 | 660 |
| 32 | 666 |
| 33 | 684 |
| 34 | 804 |
| 35 | 822 |
| 36 | 828 |
| 37 | 840 |
| 38 | 846 |
| 39 | 864 |
| 40 | 882 |
| 41 | 888 |
| 42 | 2004 |
| 43 | 2022 |
| 44 | 2028 |
| 45 | 2040 |
| 46 | 2046 |
| 47 | 2064 |
| 48 | 2082 |
| 49 | 2088 |
| 50 | 2202 |
| 51 | 2208 |