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 | 3 |
| 3 | 16 |
| 4 | 125 |
| 5 | 1296 |
| 6 | 16087 |
| 7 | 229384 |
| 8 | 3687609 |
| 9 | 66025360 |
| 10 | 1303751051 |
| 11 | 28151798544 |
| 12 | 659841763957 |
| 13 | 16681231615816 |
| 14 | 452357366282655 |
| 15 | 13095632549137576 |
| 16 | 403040561722348913 |
| 17 | 13138626717852194976 |
| 18 | 452179922268565180819 |
| 19 | 16381932383826669204640 |