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 | 65537 |
| 3 | 43046722 |
| 4 | 4295032833 |
| 5 | 152587890626 |
| 6 | 1410576509857 |
| 7 | 33232930569602 |
| 8 | 281479271743489 |
| 9 | 1853020231898563 |
| 10 | 5000076293978081 |
| 11 | 45949729863572162 |
| 12 | 30814514057170571 |
| 13 | 665416609183179842 |
| 14 | 1088993285370003137 |
| 15 | 6568408508343827972 |
| 16 | 18447025552981295105 |
| 17 | 48661191875666868482 |