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 | 3 |
| 3 | 4 |
| 4 | 19 |
| 5 | 6 |
| 6 | 42 |
| 7 | 8 |
| 8 | 531 |
| 9 | 85 |
| 10 | 108 |
| 11 | 12 |
| 12 | 1786 |
| 13 | 14 |
| 14 | 206 |
| 15 | 234 |
| 16 | 66067 |
| 17 | 18 |
| 18 | 5955 |
| 19 | 20 |
| 20 | 8124 |
| 21 | 452 |
| 22 | 498 |
| 23 | 24 |
| 24 | 334074 |
| 25 | 631 |
| 26 | 692 |
| 27 | 19768 |
| 28 | 22174 |
| 29 | 30 |
| 30 | 27372 |
| 31 | 32 |
| 32 | 33620499 |
| 33 | 1104 |
| 34 | 1176 |
| 35 | 1238 |
| 36 | 1687315 |
| 37 | 38 |
| 38 | 1466 |
| 39 | 1538 |
| 40 | 2568636 |
| 41 | 42 |
| 42 | 74774 |
| 43 | 44 |
| 44 | 85698 |
| 45 | 91440 |
| 46 | 2142 |
| 47 | 48 |
| 48 | 255203578 |
| 49 | 2409 |