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 | 8 |
| 3 | 736 |
| 4 | 5461 |
| 5 | 496133 |
| 6 | 3680776 |
| 7 | 334392976 |
| 8 | 2480837633 |
| 9 | 225380369761 |
| 10 | 1672080883936 |
| 11 | 151906034826008 |
| 12 | 1126980034935301 |
| 13 | 102384442092359701 |
| 14 | 759582871465509008 |
| 15 | 69006962064215612536 |
| 16 | 511957728387718136161 |
| 17 | 46510590046839230489633 |
| 18 | 345058749350450558263576 |