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 | 36 |
| 2 | 1297 |
| 3 | 46728 |
| 4 | 1683505 |
| 5 | 60652908 |
| 6 | 2185188193 |
| 7 | 78727427856 |
| 8 | 2836372591009 |
| 9 | 102188140704180 |
| 10 | 3681609437941489 |
| 11 | 132640127906597784 |
| 12 | 4778726214075461713 |
| 13 | 172166783834623219452 |
| 14 | 6202782944260511361985 |
| 15 | 223472352777213032250912 |