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 | 7 |
| 2 | 9 |
| 3 | 73 |
| 4 | 65 |
| 5 | 4681 |
| 6 | 57 |
| 7 | 299593 |
| 8 | 4097 |
| 9 | 262657 |
| 10 | 3641 |
| 11 | 1227133513 |
| 12 | 4033 |
| 13 | 78536544841 |
| 14 | 233017 |
| 15 | 14709241 |
| 16 | 16777217 |
| 17 | 321685687669321 |
| 18 | 261633 |
| 19 | 20587884010836553 |
| 20 | 16519105 |
| 21 | 60247241209 |
| 22 | 954437177 |
| 23 | 84327972908386521673 |
| 24 | 16773121 |
| 25 | 1152956690052710401 |
| 26 | 61083979321 |