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 | 0 |
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 10 |
| 5 | 11 |
| 6 | 26 |
| 7 | 83 |
| 8 | 178 |
| 9 | 179 |
| 10 | 362 |
| 11 | 1835 |
| 12 | 9188 |
| 13 | 42709 |
| 14 | 162466 |
| 15 | 358487 |
| 16 | 1877938 |
| 17 | 11596979 |
| 18 | 57866702 |
| 19 | 94418279 |
| 20 | 1888365980 |