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 | 29 |
| 2 | 812 |
| 3 | 22736 |
| 4 | 636202 |
| 5 | 17802288 |
| 6 | 498146166 |
| 7 | 13939191504 |
| 8 | 390048294510 |
| 9 | 10914382803996 |
| 10 | 305407698579522 |
| 11 | 8545958486918244 |
| 12 | 239134137088822794 |
| 13 | 6691482951706744632 |
| 14 | 187241958166564053774 |
| 15 | 5239429159586654676168 |