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) |
|---|---|
| 2 | 24 |
| 3 | 76 |
| 4 | 320 |
| 5 | 188 |
| 6 | 1040 |
| 7 | 4608 |
| 8 | 408 |
| 9 | 2756 |
| 10 | 18636 |
| 11 | 104272 |
| 12 | 832 |
| 13 | 8368 |
| 14 | 67952 |
| 15 | 513460 |
| 16 | 3349208 |
| 17 | 1624 |
| 18 | 21468 |
| 19 | 228432 |
| 20 | 2312112 |
| 21 | 19845964 |
| 22 | 152434216 |
| 23 | 3080 |
| 24 | 53108 |
| 25 | 730772 |
| 26 | 9943160 |
| 27 | 113061272 |
| 28 | 1125079096 |
| 29 | 10676325280 |
| 30 | 5716 |
| 31 | 128072 |
| 32 | 2261792 |
| 33 | 41508164 |
| 34 | 629214072 |
| 35 | 8150708696 |
| 36 | 99701732480 |
| 37 | 1200653865056 |