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 | 6 |
| 2 | 34 |
| 3 | 530 |
| 4 | 8658 |
| 5 | 33558994 |
| 6 | 8623428050 |
| 7 | 146062119378 |
| 8 | 2305843154202071506 |
| 9 | 2658455991569831746960535770155913682 |
| 10 | 191561942608236109953249369654135385091533091704082898 |