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 | 16 |
| 2 | 148 |
| 3 | 1342 |
| 4 | 12400 |
| 5 | 116806 |
| 6 | 1117648 |
| 7 | 10823542 |
| 8 | 105764800 |
| 9 | 1040353606 |
| 10 | 10282475248 |
| 11 | 101977326742 |
| 12 | 1013841287200 |
| 13 | 10096889010406 |
| 14 | 100678223072848 |
| 15 | 1004747561509942 |
| 16 | 10033232930569600 |
| 17 | 100232630513987206 |