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 | 6 |
| 6 | 5 |
| 7 | 1 |
| 8 | 14 |
| 9 | 30 |
| 10 | 15 |
| 11 | 1 |
| 12 | 30 |
| 13 | 125 |
| 14 | 150 |
| 15 | 52 |
| 16 | 1 |
| 17 | 62 |
| 18 | 450 |
| 19 | 975 |
| 20 | 780 |
| 21 | 203 |
| 22 | 1 |
| 23 | 126 |
| 24 | 1505 |
| 25 | 5250 |
| 26 | 7280 |
| 27 | 4263 |
| 28 | 877 |
| 29 | 1 |
| 30 | 254 |
| 31 | 4830 |
| 32 | 25515 |
| 33 | 54600 |
| 34 | 53998 |
| 35 | 24556 |
| 36 | 4140 |
| 37 | 1 |
| 38 | 510 |
| 39 | 15125 |
| 40 | 116550 |
| 41 | 361452 |
| 42 | 537138 |
| 43 | 405174 |
| 44 | 149040 |
| 45 | 21147 |
| 46 | 1 |
| 47 | 1022 |
| 48 | 46650 |