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 | 4 |
| 2 | 24966 |
| 3 | 263736 |
| 4 | 1401992410 |
| 5 | 2040870112 |
| 6 | 3054955450 |
| 7 | 346739122490032 |
| 8 | 499159078330000800 |
| 9 | 539391065522650998496 |
| 10 | 25318239660367402306502991202 |
| 11 | 251882074412384639674100925616 |
| 12 | 31734804589156174948658730855096778 |
| 13 | 3209990334856119248883461357431048564 |
| 14 | 3910080232300154696097509520638192488259772 |