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 | 10 |
| 3 | 1 |
| 4 | 1 |
| 5 | 56 |
| 6 | 246 |
| 7 | 56 |
| 8 | 1 |
| 9 | 1 |
| 10 | 246 |
| 11 | 4047 |
| 12 | 11572 |
| 13 | 4047 |
| 14 | 246 |
| 15 | 1 |
| 16 | 1 |
| 17 | 1012 |
| 18 | 46828 |
| 19 | 408364 |
| 20 | 901990 |
| 21 | 408364 |
| 22 | 46828 |
| 23 | 1012 |
| 24 | 1 |
| 25 | 1 |
| 26 | 4082 |
| 27 | 474189 |
| 28 | 9713496 |
| 29 | 56604978 |
| 30 | 105907308 |
| 31 | 56604978 |
| 32 | 9713496 |
| 33 | 474189 |
| 34 | 4082 |
| 35 | 1 |
| 36 | 1 |
| 37 | 16368 |
| 38 | 4520946 |
| 39 | 193889840 |
| 40 | 2377852335 |
| 41 | 10465410528 |
| 42 | 17505765564 |
| 43 | 10465410528 |
| 44 | 2377852335 |
| 45 | 193889840 |
| 46 | 4520946 |
| 47 | 16368 |
| 48 | 1 |