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 | 2 |
| 3 | 1 |
| 4 | 6 |
| 5 | 6 |
| 6 | 1 |
| 7 | 12 |
| 8 | 26 |
| 9 | 24 |
| 10 | 1 |
| 11 | 20 |
| 12 | 75 |
| 13 | 120 |
| 14 | 110 |
| 15 | 1 |
| 16 | 30 |
| 17 | 174 |
| 18 | 416 |
| 19 | 594 |
| 20 | 546 |
| 21 | 1 |
| 22 | 42 |
| 23 | 350 |
| 24 | 1176 |
| 25 | 2289 |
| 26 | 3094 |
| 27 | 2856 |
| 28 | 1 |
| 29 | 56 |
| 30 | 636 |
| 31 | 2880 |
| 32 | 7322 |
| 33 | 12768 |
| 34 | 16728 |
| 35 | 15504 |
| 36 | 1 |
| 37 | 72 |
| 38 | 1071 |
| 39 | 6324 |
| 40 | 20475 |
| 41 | 44388 |
| 42 | 72420 |
| 43 | 93024 |
| 44 | 86526 |
| 45 | 1 |
| 46 | 90 |
| 47 | 1700 |
| 48 | 12740 |
| 49 | 51495 |
| 50 | 136252 |
| 51 | 267240 |
| 52 | 417240 |
| 53 | 528770 |
| 54 | 493350 |
| 55 | 1 |
| 56 | 110 |
| 57 | 2574 |
| 58 | 23936 |
| 59 | 118734 |
| 60 | 378444 |
| 61 | 878460 |
| 62 | 1610136 |
| 63 | 2437149 |
| 64 | 3058770 |
| 65 | 2861430 |