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 | 44 |
| 2 | 1936 |
| 3 | 44065 |
| 4 | 894720 |
| 5 | 16421568 |
| 6 | 289951889 |
| 7 | 4992838052 |
| 8 | 84911938560 |
| 9 | 1433437132509 |
| 10 | 24101659934756 |
| 11 | 404301970759120 |
| 12 | 6773277290974213 |
| 13 | 113387774785651732 |
| 14 | 1897354518319317836 |
| 15 | 31741271831379492825 |