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 | 16 |
| 3 | 100 |
| 4 | 1024 |
| 5 | 10000 |
| 6 | 100489 |
| 7 | 1000000 |
| 8 | 10004569 |
| 9 | 100000000 |
| 10 | 1000014129 |
| 11 | 10000000000 |
| 12 | 100000147984 |
| 13 | 1000000000000 |
| 14 | 10000002149284 |
| 15 | 100000000000000 |
| 16 | 1000000025191729 |
| 17 | 10000000000000000 |
| 18 | 100000000621806289 |
| 19 | 1000000000000000000 |
| 20 | 10000000005259630921 |