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 | 8 |
| 2 | 106 |
| 3 | 1268 |
| 4 | 14386 |
| 5 | 160028 |
| 6 | 1767466 |
| 7 | 19470788 |
| 8 | 214293346 |
| 9 | 2357685548 |
| 10 | 25936376026 |
| 11 | 285307476308 |
| 12 | 3138411599506 |
| 13 | 34522645035068 |
| 14 | 379749565147786 |
| 15 | 4177247095673828 |
| 16 | 45949725568604866 |
| 17 | 505447011319424588 |
| 18 | 5559917244772754746 |
| 19 | 61159090173536639348 |
| 20 | 672749993833048381426 |