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 | 16 |
| 1 | 512 |
| 2 | 16384 |
| 3 | 524288 |
| 4 | 16777216 |
| 5 | 536870912 |
| 6 | 17179869184 |
| 7 | 549755813888 |
| 8 | 17592186044416 |
| 9 | 562949953421312 |
| 10 | 18014398509481984 |
| 11 | 576460752303423488 |
| 12 | 18446744073709551616 |
| 13 | 590295810358705651712 |
| 14 | 18889465931478580854784 |
| 15 | 604462909807314587353088 |
| 16 | 19342813113834066795298816 |