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 | 0 |
| 3 | 1 |
| 4 | 0 |
| 5 | 0 |
| 6 | 2 |
| 7 | 0 |
| 8 | 0 |
| 9 | 1 |
| 10 | 5 |
| 11 | 0 |
| 12 | 0 |
| 13 | 1 |
| 14 | 2 |
| 15 | 18 |
| 16 | 0 |
| 17 | 0 |
| 18 | 1 |
| 19 | 3 |
| 20 | 17 |
| 21 | 91 |
| 22 | 0 |
| 23 | 0 |
| 24 | 1 |
| 25 | 3 |
| 26 | 29 |
| 27 | 86 |
| 28 | 734 |
| 29 | 0 |
| 30 | 0 |
| 31 | 1 |
| 32 | 4 |
| 33 | 42 |
| 34 | 176 |
| 35 | 864 |
| 36 | 10030 |
| 37 | 0 |
| 38 | 0 |
| 39 | 1 |
| 40 | 4 |
| 41 | 64 |
| 42 | 309 |
| 43 | 2032 |
| 44 | 10243 |
| 45 | 248427 |