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 | 62 |
| 2 | 38466 |
| 3 | 41312060 |
| 4 | 56930297410 |
| 5 | 90519385516812 |
| 6 | 157933807781230404 |
| 7 | 294111627143303836152 |
| 8 | 574788682882785699423810 |
| 9 | 1165869740380160987511514460 |
| 10 | 2435635082278794046304453801716 |
| 11 | 5211959633483650233198112526032152 |
| 12 | 11377217758058088192513643732271022916 |