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 | 2 |
| 4 | 4 |
| 5 | 4 |
| 6 | 11 |
| 7 | 8 |
| 8 | 22 |
| 9 | 20 |
| 10 | 43 |
| 11 | 28 |
| 12 | 156 |
| 13 | 72 |
| 14 | 243 |
| 15 | 366 |
| 16 | 691 |
| 17 | 520 |
| 18 | 2635 |
| 19 | 1608 |
| 20 | 7384 |
| 21 | 8866 |
| 22 | 19399 |
| 23 | 16768 |
| 24 | 94482 |
| 25 | 67560 |
| 26 | 216273 |
| 27 | 277532 |
| 28 | 815556 |
| 29 | 662368 |
| 30 | 4500265 |
| 31 | 2311468 |
| 32 | 8466187 |
| 33 | 13045106 |
| 34 | 31593283 |
| 35 | 40937604 |
| 36 | 159772174 |
| 37 | 103197488 |
| 38 | 401913695 |