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 | -8 |
| 1 | -9 |
| 2 | -7 |
| 3 | 57 |
| 4 | 65 |
| 5 | 3641 |
| 6 | 73 |
| 7 | 233017 |
| 8 | 4097 |
| 9 | 261633 |
| 10 | 4681 |
| 11 | 954437177 |
| 12 | 4033 |
| 13 | 61083979321 |
| 14 | 299593 |
| 15 | 18837001 |
| 16 | 16777217 |
| 17 | 250199979298361 |
| 18 | 262657 |
| 19 | 16012798675095097 |
| 20 | 16519105 |
| 21 | 77158673929 |
| 22 | 1227133513 |