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 | 2 |
| 2 | 32769 |
| 3 | 14348908 |
| 4 | 14381675 |
| 5 | 1073741825 |
| 6 | 1088090731 |
| 7 | 30517578126 |
| 8 | 30517610893 |
| 9 | 30531927032 |
| 10 | 31591319949 |
| 11 | 43977108474 |
| 12 | 470184984577 |
| 13 | 500702562701 |
| 14 | 4747561509944 |
| 15 | 4747561542711 |
| 16 | 4747575858850 |
| 17 | 4748635251767 |
| 18 | 4778079088068 |
| 19 | 5217746494519 |