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) |
|---|---|
| 0 | 4 |
| 1 | 5 |
| 2 | 10 |
| 3 | 26 |
| 4 | 70 |
| 5 | 188 |
| 6 | 510 |
| 7 | 1384 |
| 8 | 3760 |
| 9 | 10220 |
| 10 | 27779 |
| 11 | 75510 |
| 12 | 205256 |
| 13 | 557941 |
| 14 | 1516639 |