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) |
|---|---|
| 4 | 16 |
| 5 | 38 |
| 6 | 200 |
| 7 | 32768 |
| 8 | 12918916616 |
| 9 | 1242818253229988572210659846 |
| 10 | 1900850177472859316749829932381453683166126327573485314289555274100802310696341510 |