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 | 39 |
| 3 | 7023 |
| 4 | 123003383 |
| 5 | 30009972034709604 |
| 6 | 2284252506432349791885755473056239 |
| 7 | 9742053754355575036462674739863470880211838469604940624314922115462 |