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 | 96 |
| 3 | 2672 |
| 4 | 78848 |
| 5 | 2400896 |
| 6 | 74568704 |
| 7 | 2347934464 |
| 8 | 74675511296 |
| 9 | 2393372833792 |
| 10 | 77176031297536 |
| 11 | 2500887165493248 |
| 12 | 81372026697351168 |
| 13 | 2656708513978580992 |
| 14 | 86992366046604165120 |
| 15 | 2855701159218522030080 |
| 16 | 93950313500933860884480 |
| 17 | 3096866628586659248603136 |