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 | 12 |
| 4 | 24 |
| 5 | 30 |
| 6 | 54 |
| 7 | 60 |
| 8 | 84 |
| 9 | 102 |
| 10 | 138 |
| 11 | 144 |
| 12 | 192 |
| 13 | 198 |
| 14 | 246 |
| 15 | 288 |
| 16 | 336 |
| 17 | 342 |
| 18 | 414 |
| 19 | 420 |
| 20 | 492 |
| 21 | 546 |
| 22 | 618 |
| 23 | 624 |
| 24 | 720 |
| 25 | 750 |
| 26 | 834 |
| 27 | 888 |
| 28 | 984 |
| 29 | 990 |
| 30 | 1122 |
| 31 | 1128 |
| 32 | 1224 |
| 33 | 1302 |
| 34 | 1410 |
| 35 | 1476 |
| 36 | 1620 |
| 37 | 1626 |
| 38 | 1746 |
| 39 | 1836 |
| 40 | 1980 |
| 41 | 1986 |
| 42 | 2166 |
| 43 | 2172 |
| 44 | 2316 |
| 45 | 2442 |
| 46 | 2586 |
| 47 | 2592 |
| 48 | 2784 |
| 49 | 2826 |
| 50 | 3006 |
| 51 | 3120 |
| 52 | 3288 |
| 53 | 3294 |
| 54 | 3510 |
| 55 | 3600 |
| 56 | 3792 |
| 57 | 3918 |