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 | 4 |
| 4 | 6 |
| 5 | 12 |
| 6 | 32 |
| 7 | 44 |
| 8 | 108 |
| 9 | 260 |
| 10 | 384 |
| 11 | 684 |
| 12 | 2688 |
| 13 | 2732 |
| 14 | 5632 |
| 15 | 15936 |
| 16 | 27864 |
| 17 | 43692 |
| 18 | 153920 |
| 19 | 174764 |
| 20 | 499968 |
| 21 | 953920 |
| 22 | 1477440 |
| 23 | 2796204 |
| 24 | 11708928 |
| 25 | 12253248 |
| 26 | 22380544 |
| 27 | 69769600 |
| 28 | 115568640 |
| 29 | 181990200 |
| 30 | 620101632 |
| 31 | 715827884 |
| 32 | 1826150832 |
| 33 | 3880589184 |
| 34 | 5726797824 |