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 | 1 |
| 4 | 3 |
| 5 | 1 |
| 6 | 6 |
| 7 | 1 |
| 8 | 39 |
| 9 | 4 |
| 10 | 8 |
| 11 | 1 |
| 12 | 330 |
| 13 | 1 |
| 14 | 10 |
| 15 | 9 |
| 16 | 12495 |
| 17 | 1 |
| 18 | 1446 |
| 19 | 1 |
| 20 | 1620 |
| 21 | 11 |
| 22 | 14 |
| 23 | 1 |
| 24 | 1792050 |
| 25 | 6 |
| 26 | 16 |
| 27 | 580 |
| 28 | 10158 |
| 29 | 1 |
| 30 | 53002 |
| 31 | 1 |
| 32 | 2516534175 |
| 33 | 15 |
| 34 | 20 |
| 35 | 13 |
| 36 | 469241466 |
| 37 | 1 |
| 38 | 22 |
| 39 | 17 |
| 40 | 774558756 |
| 41 | 1 |
| 42 | 1696170 |
| 43 | 1 |
| 44 | 712914 |
| 45 | 20160 |
| 46 | 26 |
| 47 | 1 |
| 48 | 108457624531554 |
| 49 | 8 |
| 50 | 328588 |
| 51 | 21 |
| 52 | 6383964 |