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 | 4 |
| 2 | 12 |
| 3 | 72 |
| 4 | 102 |
| 5 | 108 |
| 6 | 180 |
| 7 | 192 |
| 8 | 240 |
| 9 | 348 |
| 10 | 420 |
| 11 | 600 |
| 12 | 822 |
| 13 | 828 |
| 14 | 1032 |
| 15 | 1050 |
| 16 | 1152 |
| 17 | 1302 |
| 18 | 1320 |
| 19 | 1428 |
| 20 | 1488 |
| 21 | 1608 |
| 22 | 1722 |
| 23 | 1872 |
| 24 | 2088 |
| 25 | 2112 |
| 26 | 2550 |
| 27 | 2592 |
| 28 | 2688 |
| 29 | 2712 |
| 30 | 3000 |
| 31 | 3168 |
| 32 | 3252 |
| 33 | 3360 |
| 34 | 3372 |
| 35 | 3468 |
| 36 | 3528 |
| 37 | 3672 |
| 38 | 3768 |
| 39 | 4020 |
| 40 | 4092 |
| 41 | 4128 |
| 42 | 4272 |
| 43 | 4650 |
| 44 | 4800 |
| 45 | 4932 |
| 46 | 5100 |
| 47 | 5232 |
| 48 | 5280 |
| 49 | 5520 |
| 50 | 5640 |
| 51 | 5868 |
| 52 | 5880 |
| 53 | 6132 |
| 54 | 6690 |
| 55 | 6762 |
| 56 | 6780 |