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 | 0 |
| 2 | 6 |
| 3 | 84 |
| 4 | 796 |
| 5 | 5 |
| 6 | 3792 |
| 7 | 7 |
| 8 | 27768 |
| 9 | 22608 |
| 10 | 56440 |
| 11 | 11 |
| 12 | 83772 |
| 13 | 13 |
| 14 | 168448 |
| 15 | 61065 |
| 16 | 471536 |
| 17 | 17 |
| 18 | 445320 |
| 19 | 19 |
| 20 | 994080 |
| 21 | 2258235 |
| 22 | 4188272 |
| 23 | 23 |
| 24 | 6083208 |
| 25 | 156275 |
| 26 | 743912 |
| 27 | 13548492 |
| 28 | 3588928 |
| 29 | 29 |
| 30 | 16444800 |
| 31 | 31 |
| 32 | 28887008 |
| 33 | 13685133 |
| 34 | 2841992 |
| 35 | 42053795 |
| 36 | 49421088 |
| 37 | 37 |
| 38 | 24763840 |
| 39 | 9171162 |