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 | 17 |
| 2 | 73 |
| 3 | 521 |
| 4 | 1009 |
| 5 | 2753 |
| 6 | 8009 |
| 7 | 10657 |
| 8 | 21961 |
| 9 | 39313 |
| 10 | 54881 |
| 11 | 85193 |
| 12 | 140617 |
| 13 | 195121 |
| 14 | 262153 |
| 15 | 314441 |
| 16 | 512009 |
| 17 | 681481 |
| 18 | 778697 |
| 19 | 941201 |
| 20 | 1404937 |
| 21 | 3241801 |
| 22 | 3511817 |
| 23 | 4410953 |
| 24 | 4913009 |
| 25 | 6028577 |
| 26 | 6229513 |
| 27 | 6644681 |
| 28 | 6859009 |
| 29 | 8000009 |
| 30 | 8998921 |