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 | 1 |
| 2 | 19683 |
| 3 | 177147 |
| 4 | 1594323 |
| 5 | 14348907 |
| 6 | 129140163 |
| 7 | 1162261467 |
| 8 | 10460353203 |
| 9 | 1853020188851841 |
| 10 | 16677181699666569 |
| 11 | 150094635296999121 |
| 12 | 1350851717672992089 |
| 13 | 12157665459056928801 |
| 14 | 109418989131512359209 |