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 | 1 |
| 3 | 2 |
| 4 | 1 |
| 5 | 1 |
| 6 | 3 |
| 7 | 1 |
| 8 | 11 |
| 9 | 1 |
| 10 | 40 |
| 11 | 1 |
| 12 | 147 |
| 13 | 1 |
| 14 | 546 |
| 15 | 1 |
| 16 | 2046 |
| 17 | 1 |
| 18 | 7722 |
| 19 | 1 |
| 20 | 29315 |
| 21 | 1 |
| 22 | 111826 |
| 23 | 1 |
| 24 | 428298 |
| 25 | 1 |
| 26 | 1646008 |
| 27 | 1 |
| 28 | 6344366 |
| 29 | 1 |
| 30 | 24515700 |
| 31 | 1 |
| 32 | 94942620 |
| 33 | 1 |
| 34 | 368404110 |
| 35 | 1 |
| 36 | 1431985635 |
| 37 | 1 |
| 38 | 5574725970 |
| 39 | 1 |
| 40 | 21732560850 |
| 41 | 1 |
| 42 | 84828633120 |
| 43 | 1 |
| 44 | 331488081210 |
| 45 | 1 |