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 | 0 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 4 |
| 7 | 1 |
| 8 | 9 |
| 9 | 18 |
| 10 | 15 |
| 11 | 1 |
| 12 | 96 |
| 13 | 1 |
| 14 | 41 |
| 15 | 370 |
| 16 | 435 |
| 17 | 1 |
| 18 | 1432 |
| 19 | 149 |
| 20 | 3565 |
| 21 | 5906 |
| 22 | 287 |
| 23 | 1 |
| 24 | 33696 |
| 25 | 15025 |
| 26 | 753 |
| 27 | 106562 |
| 28 | 129651 |
| 29 | 1 |
| 30 | 544040 |
| 31 | 2973 |
| 32 | 960597 |
| 33 | 1782178 |
| 34 | 5167 |
| 35 | 2413385 |
| 36 | 10534320 |
| 37 | 501497 |
| 38 | 1397033 |
| 39 | 31758946 |
| 40 | 60862155 |
| 41 | 62157 |
| 42 | 149373496 |
| 43 | 1 |