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 | 17 |
| 3 | 514 |
| 4 | 16388 |
| 5 | 524296 |
| 6 | 16777232 |
| 7 | 536870944 |
| 8 | 17179869248 |
| 9 | 549755814016 |
| 10 | 17592186044672 |
| 11 | 562949953421824 |
| 12 | 18014398509483008 |
| 13 | 576460752303425536 |
| 14 | 18446744073709555712 |
| 15 | 590295810358705659904 |
| 16 | 18889465931478580871168 |