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) |
|---|---|
| 0 | 1 |
| 1 | 78 |
| 2 | 3042 |
| 3 | 79118 |
| 4 | 1544322 |
| 5 | 24138894 |
| 6 | 314835170 |
| 7 | 3525405390 |
| 8 | 34608828930 |
| 9 | 302685166030 |
| 10 | 2388631358178 |
| 11 | 17185219312014 |
| 12 | 113694451659906 |
| 13 | 696708049377294 |
| 14 | 3979111519381986 |
| 15 | 21295193543579982 |
| 16 | 107295791104411650 |