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) |
|---|---|
| 0 | 2 |
| 1 | 2 |
| 2 | 4 |
| 3 | 32 |
| 4 | 4096 |
| 5 | 134217728 |
| 6 | 288230376151711744 |
| 7 | 2658455991569831745807614120560689152 |
| 8 | 452312848583266388373324160190187140051835877600158453279131187530910662656 |