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 | 63336 |
| 3 | 474474 |
| 4 | 666666 |
| 5 | 4383834 |
| 6 | 43177134 |
| 7 | 460962269064 |
| 8 | 60471399317406 |
| 9 | 60490233209406 |
| 10 | 643869171968346 |
| 11 | 6708875775788076 |
| 12 | 44703479297430744 |
| 13 | 608857707707758806 |
| 14 | 44523865177156832544 |
| 15 | 683665820959028566386 |