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) |
|---|---|
| 4 | 1 |
| 5 | 8 |
| 6 | 36 |
| 7 | 128 |
| 8 | 388 |
| 9 | 1050 |
| 10 | 2601 |
| 11 | 6013 |
| 12 | 13141 |
| 13 | 27416 |
| 14 | 55012 |
| 15 | 106816 |
| 16 | 201685 |
| 17 | 371828 |
| 18 | 671630 |
| 19 | 1192093 |
| 20 | 2084360 |
| 21 | 3597991 |
| 22 | 6143128 |
| 23 | 10391369 |
| 24 | 17439285 |
| 25 | 29073358 |
| 26 | 48199071 |
| 27 | 79535657 |
| 28 | 130740732 |
| 29 | 214230558 |
| 30 | 350125952 |
| 31 | 571019573 |
| 32 | 929690344 |