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) |
|---|---|
| 6 | 1 |
| 7 | 37 |
| 8 | 891 |
| 9 | 18042 |
| 10 | 337134 |
| 11 | 6078371 |
| 12 | 108359977 |
| 13 | 1938212839 |
| 14 | 35109518705 |
| 15 | 648102812344 |