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 | 1 |
| 3 | 1 |
| 4 | 4 |
| 5 | 1 |
| 6 | 12 |
| 7 | 1 |
| 8 | 8 |
| 9 | 9 |
| 10 | 20 |
| 11 | 1 |
| 12 | 156 |
| 13 | 1 |
| 14 | 28 |
| 15 | 30 |
| 16 | 16 |
| 17 | 1 |
| 18 | 342 |
| 19 | 1 |
| 20 | 420 |
| 21 | 42 |
| 22 | 44 |
| 23 | 1 |
| 24 | 600 |
| 25 | 25 |
| 26 | 52 |
| 27 | 27 |
| 28 | 812 |
| 29 | 1 |
| 30 | 2700 |
| 31 | 1 |
| 32 | 32 |
| 33 | 66 |
| 34 | 68 |
| 35 | 70 |
| 36 | 2592 |
| 37 | 1 |
| 38 | 76 |
| 39 | 78 |
| 40 | 1640 |
| 41 | 1 |
| 42 | 5292 |
| 43 | 1 |
| 44 | 1980 |
| 45 | 2070 |
| 46 | 92 |
| 47 | 1 |
| 48 | 2352 |
| 49 | 49 |
| 50 | 2550 |
| 51 | 102 |
| 52 | 2756 |
| 53 | 1 |
| 54 | 2970 |
| 55 | 110 |
| 56 | 3192 |
| 57 | 114 |
| 58 | 116 |
| 59 | 1 |
| 60 | 223200 |
| 61 | 1 |
| 62 | 124 |
| 63 | 4032 |