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 | 8 |
| 2 | 32 |
| 3 | 171 |
| 4 | 1024 |
| 5 | 6554 |
| 6 | 43691 |
| 7 | 299594 |
| 8 | 2097152 |
| 9 | 14913081 |
| 10 | 107374183 |
| 11 | 780903145 |
| 12 | 5726623062 |
| 13 | 42288908761 |
| 14 | 314146179365 |
| 15 | 2345624805923 |
| 16 | 17592186044416 |
| 17 | 132458812569721 |
| 18 | 1000799917193444 |
| 19 | 7585009898729257 |