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 | 4 |
| 5 | 1 |
| 6 | 8 |
| 7 | 1 |
| 8 | 14 |
| 9 | 72 |
| 10 | 1 |
| 11 | 20 |
| 12 | 22 |
| 13 | 584 |
| 14 | 1 |
| 15 | 62 |
| 16 | 32 |
| 17 | 4016 |
| 18 | 1 |
| 19 | 132 |
| 20 | 16880 |
| 21 | 44 |
| 22 | 45696 |
| 23 | 276 |
| 24 | 24656 |
| 25 | 1 |
| 26 | 336 |
| 27 | 413484 |
| 28 | 58 |
| 29 | 11323440 |
| 30 | 1006 |
| 31 | 140624 |
| 32 | 1 |
| 33 | 688 |
| 34 | 9044404 |
| 35 | 74 |
| 36 | 2384871120 |
| 37 | 3610 |
| 38 | 2480304 |
| 39 | 761960 |
| 40 | 1 |
| 41 | 35281856 |
| 42 | 1578 |
| 43 | 68984506112 |
| 44 | 4324 |
| 45 | 183901520 |
| 46 | 92 |
| 47 | 446907448224 |
| 48 | 12010 |
| 49 | 677849536 |
| 50 | 3976704 |
| 51 | 1 |
| 52 | 2683205048 |
| 53 | 3190 |
| 54 | 93749829120 |