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 | 189 |
| 2 | 136341 |
| 3 | 165866949 |
| 4 | 274513563621 |
| 5 | 564389814803319 |
| 6 | 1373687351977035681 |
| 7 | 3844220718032111632869 |
| 8 | 12130905677234774784280281 |
| 9 | 42569255610714760893622565829 |
| 10 | 164374338314267349285576891426201 |
| 11 | 692583662656534583930262265650693159 |
| 12 | 3162450027762781275258550249673787013761 |
| 13 | 15558457725978409248029649314240444710279749 |
| 14 | 82059484588450416190385956503916602281112899421 |