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 | 1026753849 |
| 2 | 1042385796 |
| 3 | 1098524736 |
| 4 | 1237069584 |
| 5 | 1248703569 |
| 6 | 1278563049 |
| 7 | 1285437609 |
| 8 | 1382054976 |
| 9 | 1436789025 |
| 10 | 1503267984 |
| 11 | 1532487609 |
| 12 | 1547320896 |
| 13 | 1643897025 |
| 14 | 1827049536 |
| 15 | 1927385604 |
| 16 | 1937408256 |
| 17 | 2076351489 |
| 18 | 2081549376 |
| 19 | 2170348569 |
| 20 | 2386517904 |
| 21 | 2431870596 |