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 | 561 |
| 2 | 567 |
| 3 | 577 |
| 4 | 597 |
| 5 | 633 |
| 6 | 705 |
| 7 | 841 |
| 8 | 1113 |
| 9 | 1641 |
| 10 | 2697 |
| 11 | 4777 |
| 12 | 8937 |
| 13 | 17193 |
| 14 | 33705 |
| 15 | 66601 |
| 16 | 132393 |
| 17 | 263721 |
| 18 | 526377 |
| 19 | 1051177 |
| 20 | 2100777 |
| 21 | 4198953 |
| 22 | 8395305 |
| 23 | 16785961 |
| 24 | 33567273 |
| 25 | 67125801 |
| 26 | 134242857 |
| 27 | 268468777 |
| 28 | 536920617 |
| 29 | 1073807913 |
| 30 | 2147582505 |
| 31 | 4295098921 |