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 | 2 |
| 5 | 0 |
| 6 | 5 |
| 7 | 12 |
| 8 | 5 |
| 9 | 33 |
| 10 | 5 |
| 11 | 1 |
| 12 | 0 |
| 13 | 232 |
| 14 | 233 |
| 15 | 55 |
| 16 | 5 |
| 17 | 1596 |
| 18 | 2563 |
| 19 | 1 |
| 20 | 5 |
| 21 | 987 |
| 22 | 10946 |
| 23 | 28656 |
| 24 | 0 |
| 25 | 0 |
| 26 | 75025 |
| 27 | 189653 |
| 28 | 89 |
| 29 | 1 |
| 30 | 6765 |
| 31 | 1 |
| 32 | 5 |
| 33 | 6765 |
| 34 | 1 |
| 35 | 9227460 |
| 36 | 0 |
| 37 | 24157816 |
| 38 | 1 |
| 39 | 63245985 |
| 40 | 5 |
| 41 | 1 |
| 42 | 267914275 |
| 43 | 433494436 |
| 44 | 4181 |
| 45 | 1134896405 |
| 46 | 1 |
| 47 | 2971215072 |
| 48 | 0 |
| 49 | 7778741816 |
| 50 | 75025 |