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 | 186 |
| 3 | 5766 |
| 4 | 178746 |
| 5 | 5541126 |
| 6 | 171774906 |
| 7 | 5325022086 |
| 8 | 165075684666 |
| 9 | 5117346224646 |
| 10 | 158637732964026 |
| 11 | 4917769721884806 |
| 12 | 152450861378428986 |
| 13 | 4725976702731298566 |
| 14 | 146505277784670255546 |
| 15 | 4541663611324777921926 |