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) |
|---|---|
| 2 | 55 |
| 3 | 23637 |
| 4 | 12253948 |
| 5 | 3779989098 |
| 6 | 975566486675 |
| 7 | 245355064111139 |
| 8 | 61875355046353061 |
| 9 | 15609156135669687673 |
| 10 | 3931128009418993765997 |
| 11 | 988808811046283595068099 |
| 12 | 248581947999911644069460438 |
| 13 | 62479777983071973470513443588 |
| 14 | 15702642238437709110690166048520 |