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 | 1 |
| 1 | 10 |
| 2 | 50 |
| 3 | 238 |
| 4 | 1114 |
| 5 | 4998 |
| 6 | 22562 |
| 7 | 98174 |
| 8 | 434894 |
| 9 | 1855346 |
| 10 | 8125390 |
| 11 | 34149330 |