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 | 163 |
| 2 | 291 |
| 3 | 527 |
| 4 | 959 |
| 5 | 1747 |
| 6 | 3179 |
| 7 | 5769 |
| 8 | 10425 |
| 9 | 18729 |
| 10 | 33706 |
| 11 | 60797 |
| 12 | 109800 |
| 13 | 198415 |
| 14 | 358592 |
| 15 | 647959 |
| 16 | 1170415 |
| 17 | 2113372 |
| 18 | 3815438 |
| 19 | 6888722 |
| 20 | 12439093 |
| 21 | 22463681 |
| 22 | 40568913 |
| 23 | 73266801 |
| 24 | 132315810 |
| 25 | 238948339 |
| 26 | 431506179 |
| 27 | 779231793 |
| 28 | 1407175435 |