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) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 4 |
| 3 | 2 |
| 4 | 203 |
| 5 | 2597 |
| 6 | 3 |
| 7 | 5 |
| 8 | 16 |
| 9 | 14 |
| 10 | 12 |
| 11 | 10 |
| 12 | 8 |
| 13 | 6 |
| 14 | 97 |
| 15 | 15546 |
| 16 | 243575589 |
| 17 | 404450 |
| 18 | 23 |
| 19 | 404448 |
| 20 | 7 |
| 21 | 9 |
| 22 | 11 |
| 23 | 13 |
| 24 | 15 |
| 25 | 17 |
| 26 | 56 |
| 27 | 54 |
| 28 | 52 |
| 29 | 50 |
| 30 | 631 |
| 31 | 629 |
| 32 | 902 |
| 33 | 137 |
| 34 | 135 |
| 35 | 192 |
| 36 | 84974 |
| 37 | 84972 |
| 38 | 27 |
| 39 | 309411696 |
| 40 | 131 |
| 41 | 22 |
| 42 | 20 |
| 43 | 18 |
| 44 | 85 |
| 45 | 111320883 |
| 46 | 127 |
| 47 | 125 |