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 | 2 |
| 2 | 10 |
| 3 | 22 |
| 4 | 25 |
| 5 | 102 |
| 6 | 714 |
| 7 | 2114 |
| 8 | 2170 |
| 9 | 2550 |
| 10 | 21097 |
| 11 | 671302 |
| 12 | 258973177 |
| 13 | 1023088777 |
| 14 | 22460425354 |
| 15 | 211297574645 |
| 16 | 668630474213122229 |