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 | 27 |
| 3 | 125 |
| 4 | 1000 |
| 5 | 10648 |
| 6 | 103823 |
| 7 | 1000000 |
| 8 | 10077696 |
| 9 | 100544625 |
| 10 | 1000000000 |
| 11 | 10007873875 |
| 12 | 100026577288 |
| 13 | 1000000000000 |
| 14 | 10000909453625 |
| 15 | 100000721719296 |
| 16 | 1000000000000000 |
| 17 | 10000073940248384 |
| 18 | 100000075387171679 |
| 19 | 1000000000000000000 |
| 20 | 10000004316234262875 |