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 | 1 |
| 5 | 8 |
| 6 | 22 |
| 7 | 46 |
| 8 | 85 |
| 9 | 168 |
| 10 | 350 |
| 11 | 776 |
| 12 | 1787 |
| 13 | 3851 |
| 14 | 8141 |
| 15 | 17247 |
| 16 | 36921 |
| 17 | 79637 |
| 18 | 172237 |
| 19 | 371343 |
| 20 | 797047 |
| 21 | 1710188 |
| 22 | 3673435 |
| 23 | 7899653 |
| 24 | 16995309 |
| 25 | 36552835 |
| 26 | 78580754 |
| 27 | 168899252 |
| 28 | 363064232 |
| 29 | 780553896 |
| 30 | 1678245531 |
| 31 | 3608276813 |
| 32 | 7757481797 |