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) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 3 |
| 5 | 1 |
| 6 | 1 |
| 7 | 7 |
| 8 | 11 |
| 9 | 1 |
| 10 | 1 |
| 11 | 15 |
| 12 | 85 |
| 13 | 50 |
| 14 | 1 |
| 15 | 1 |
| 16 | 31 |
| 17 | 575 |
| 18 | 1660 |
| 19 | 274 |
| 20 | 1 |
| 21 | 1 |
| 22 | 63 |
| 23 | 3661 |
| 24 | 46760 |
| 25 | 48076 |
| 26 | 1764 |
| 27 | 1 |
| 28 | 1 |
| 29 | 127 |
| 30 | 22631 |
| 31 | 1217776 |
| 32 | 6998824 |
| 33 | 1942416 |
| 34 | 13068 |
| 35 | 1 |
| 36 | 1 |
| 37 | 255 |
| 38 | 137845 |
| 39 | 30480800 |
| 40 | 929081776 |
| 41 | 1744835904 |
| 42 | 104587344 |
| 43 | 109584 |
| 44 | 1 |
| 45 | 1 |
| 46 | 511 |
| 47 | 833375 |
| 48 | 747497920 |
| 49 | 117550462624 |
| 50 | 1413470290176 |
| 51 | 673781602752 |
| 52 | 7245893376 |
| 53 | 1026576 |
| 54 | 1 |