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 | 2 |
| 5 | 4 |
| 6 | 3 |
| 7 | 6 |
| 8 | 18 |
| 9 | 25 |
| 10 | 15 |
| 11 | 24 |
| 12 | 96 |
| 13 | 190 |
| 14 | 210 |
| 15 | 105 |
| 16 | 120 |
| 17 | 600 |
| 18 | 1526 |
| 19 | 2380 |
| 20 | 2205 |
| 21 | 945 |
| 22 | 720 |
| 23 | 4320 |
| 24 | 13356 |
| 25 | 26488 |
| 26 | 34650 |
| 27 | 27720 |
| 28 | 10395 |
| 29 | 5040 |
| 30 | 35280 |
| 31 | 128052 |
| 32 | 305620 |
| 33 | 507430 |
| 34 | 575190 |
| 35 | 405405 |
| 36 | 135135 |