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 | 0 |
| 2 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 1 |
| 6 | 4 |
| 7 | 1 |
| 8 | 7 |
| 9 | 3 |
| 10 | 16 |
| 11 | 1 |
| 12 | 49 |
| 13 | 1 |
| 14 | 129 |
| 15 | 17 |
| 16 | 415 |
| 17 | 1 |
| 18 | 1408 |
| 19 | 1 |
| 20 | 4659 |
| 21 | 130 |
| 22 | 16081 |
| 23 | 1 |
| 24 | 56858 |
| 25 | 15 |
| 26 | 200171 |
| 27 | 1367 |
| 28 | 716733 |
| 29 | 1 |
| 30 | 2590529 |
| 31 | 1 |
| 32 | 9393119 |
| 33 | 16082 |
| 34 | 34319668 |
| 35 | 142 |
| 36 | 126104312 |
| 37 | 1 |
| 38 | 465076161 |
| 39 | 200172 |
| 40 | 1723097474 |
| 41 | 1 |
| 42 | 6408573532 |
| 43 | 1 |
| 44 | 23910271229 |
| 45 | 2587214 |
| 46 | 89493903439 |