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 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 6 |
| 5 | 1 |
| 6 | 1 |
| 7 | 23 |
| 8 | 23 |
| 9 | 1 |
| 10 | 1 |
| 11 | 76 |
| 12 | 254 |
| 13 | 76 |
| 14 | 1 |
| 15 | 1 |
| 16 | 237 |
| 17 | 2410 |
| 18 | 2410 |
| 19 | 237 |
| 20 | 1 |
| 21 | 1 |
| 22 | 722 |
| 23 | 22007 |
| 24 | 67740 |
| 25 | 22007 |
| 26 | 722 |
| 27 | 1 |
| 28 | 1 |
| 29 | 2179 |
| 30 | 198905 |
| 31 | 1851507 |
| 32 | 1851507 |
| 33 | 198905 |
| 34 | 2179 |
| 35 | 1 |
| 36 | 1 |
| 37 | 6552 |
| 38 | 1792492 |
| 39 | 50190504 |
| 40 | 151826374 |
| 41 | 50190504 |
| 42 | 1792492 |
| 43 | 6552 |
| 44 | 1 |
| 45 | 1 |
| 46 | 19673 |
| 47 | 16139204 |