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 | 0 |
| 2 | 1 |
| 3 | 3 |
| 4 | 14 |
| 5 | 100 |
| 6 | 979 |
| 7 | 196 |
| 8 | 500 |
| 9 | 3834 |
| 10 | 1333 |
| 11 | 2178 |
| 12 | 1022 |
| 13 | 16731 |
| 14 | 12647 |
| 15 | 42420 |
| 16 | 23912 |
| 17 | 23409 |
| 18 | 26265 |
| 19 | 15162 |
| 20 | 79730 |
| 21 | 84441 |
| 22 | 21723 |
| 23 | 28566 |
| 24 | 160732 |
| 25 | 280625 |
| 26 | 329405 |
| 27 | 137295 |
| 28 | 569702 |
| 29 | 74849 |
| 30 | 71999 |
| 31 | 463202 |
| 32 | 715984 |
| 33 | 247665 |
| 34 | 31873 |
| 35 | 1302420 |
| 36 | 574170 |
| 37 | 807710 |
| 38 | 225091 |
| 39 | 1377129 |