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 | 5 |
| 1 | 169 |
| 2 | 5741 |
| 3 | 195025 |
| 4 | 6625109 |
| 5 | 225058681 |
| 6 | 7645370045 |
| 7 | 259717522849 |
| 8 | 8822750406821 |
| 9 | 299713796309065 |
| 10 | 10181446324101389 |
| 11 | 345869461223138161 |
| 12 | 11749380235262596085 |
| 13 | 399133058537705128729 |
| 14 | 13558774610046711780701 |
| 15 | 460599203683050495415105 |
| 16 | 15646814150613670132332869 |
| 17 | 531531081917181734003902441 |
| 18 | 18056409971033565286000350125 |