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) |
|---|---|
| 0 | 1 |
| 1 | 6 |
| 2 | 99 |
| 3 | 2142 |
| 4 | 52785 |
| 5 | 1404702 |
| 6 | 39331656 |
| 7 | 1141839504 |
| 8 | 34057559052 |
| 9 | 1037385419400 |
| 10 | 32133013365915 |
| 11 | 1009060082062110 |
| 12 | 32050934711814915 |
| 13 | 1027914968037080970 |
| 14 | 33240367148212098900 |
| 15 | 1082645830435810233960 |
| 16 | 35483717092533680418039 |
| 17 | 1169426742892003447650666 |