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 | 20736 |
| 3 | 35831808 |
| 4 | 429981696 |
| 5 | 5159780352 |
| 6 | 61917364224 |
| 7 | 743008370688 |
| 8 | 8916100448256 |
| 9 | 953962166440690129601298432 |
| 10 | 106993205379072 |
| 11 | 11447545997288281555215581184 |
| 12 | 12 |
| 13 | 137370551967459378662586974208 |
| 14 | 144 |
| 15 | 15407021574586368 |
| 16 | 1648446623609512543951043690496 |