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 | 84 |
| 2 | 7056 |
| 3 | 303560 |
| 4 | 8008548 |
| 5 | 145947740 |
| 6 | 1989679315 |
| 7 | 21476594002 |
| 8 | 191485393983 |
| 9 | 1457018264594 |
| 10 | 9708014658466 |
| 11 | 57822416245144 |
| 12 | 313064200874351 |
| 13 | 1561981122439360 |
| 14 | 7262269235529104 |
| 15 | 31752205659432881 |
| 16 | 131516275822916936 |