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 | 2 |
| 4 | 4 |
| 5 | 4 |
| 6 | 6 |
| 7 | 16 |
| 8 | 16 |
| 9 | 30 |
| 10 | 88 |
| 11 | 94 |
| 12 | 208 |
| 13 | 472 |
| 14 | 586 |
| 15 | 1096 |
| 16 | 3280 |
| 17 | 5472 |
| 18 | 7286 |
| 19 | 21856 |
| 20 | 26216 |
| 21 | 49940 |
| 22 | 175104 |
| 23 | 182362 |
| 24 | 399480 |
| 25 | 1048576 |
| 26 | 1290556 |
| 27 | 3355456 |
| 28 | 7456600 |
| 29 | 9256396 |
| 30 | 17895736 |
| 31 | 59660288 |
| 32 | 89478656 |
| 33 | 130150588 |
| 34 | 390451576 |
| 35 | 490853416 |
| 36 | 954437292 |
| 37 | 3435974656 |