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 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 1 |
| 5 | 4 |
| 6 | 7 |
| 7 | 1 |
| 8 | 8 |
| 9 | 20 |
| 10 | 30 |
| 11 | 1 |
| 12 | 16 |
| 13 | 52 |
| 14 | 107 |
| 15 | 147 |
| 16 | 1 |
| 17 | 32 |
| 18 | 128 |
| 19 | 326 |
| 20 | 605 |
| 21 | 792 |
| 22 | 1 |
| 23 | 64 |
| 24 | 304 |
| 25 | 912 |
| 26 | 2051 |
| 27 | 3580 |
| 28 | 4559 |
| 29 | 1 |
| 30 | 128 |
| 31 | 704 |
| 32 | 2416 |
| 33 | 6276 |
| 34 | 13086 |
| 35 | 21962 |
| 36 | 27500 |
| 37 | 1 |
| 38 | 256 |
| 39 | 1600 |
| 40 | 6160 |
| 41 | 17992 |
| 42 | 42783 |
| 43 | 84828 |
| 44 | 138607 |
| 45 | 171645 |
| 46 | 1 |
| 47 | 512 |
| 48 | 3584 |
| 49 | 15264 |
| 50 | 49264 |
| 51 | 130250 |