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 | 6561 |
| 2 | 519445 |
| 3 | 44577561 |
| 4 | 3906948333 |
| 5 | 343812029649 |
| 6 | 30292030417413 |
| 7 | 2669260624372937 |
| 8 | 235230466316286557 |
| 9 | 20729666228601067777 |
| 10 | 1826821038860074533877 |
| 11 | 160989718241260912957305 |