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 | 1840 |
| 2 | 1200 |
| 3 | 3216 |
| 4 | 15960 |
| 5 | 39752 |
| 6 | 45192 |
| 7 | 48396 |
| 8 | 40408 |
| 9 | 42720 |
| 10 | 56240 |
| 11 | 95208 |
| 12 | 142084 |
| 13 | 189592 |
| 14 | 190296 |
| 15 | 139684 |
| 16 | 118004 |
| 17 | 114200 |
| 18 | 119780 |
| 19 | 127480 |
| 20 | 216552 |
| 21 | 350136 |
| 22 | 484868 |
| 23 | 576832 |
| 24 | 584456 |
| 25 | 729040 |
| 26 | 949808 |
| 27 | 1278384 |
| 28 | 1531500 |
| 29 | 1434268 |
| 30 | 859400 |
| 31 | 261004 |
| 32 | 33580 |
| 33 | 1104 |