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 | 1 |
| 3 | 37 |
| 4 | 791 |
| 5 | 95051 |
| 6 | 111748 |
| 7 | 2277696793 |
| 8 | 484679258335 |
| 9 | 229930796172439 |
| 10 | 79792266297612 |
| 11 | 66954547910007962117 |
| 12 | 337165646545 |
| 13 | 45082285083777592171142467 |
| 14 | 2379140952844779936142872 |
| 15 | 60722942736706550906445847537201 |
| 16 | 78033832840595333890814363993704319 |