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 | 1 |
| 2 | 7 |
| 3 | 163 |
| 4 | 5951 |
| 5 | 375001 |
| 6 | 33337559 |
| 7 | 4150656721 |
| 8 | 675135713279 |
| 9 | 140588337476161 |
| 10 | 36270281280965759 |
| 11 | 11388728893445164801 |
| 12 | 4270306368140557557119 |
| 13 | 1886009588552176549862401 |
| 14 | 968696203690612910273080319 |