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 | 12 |
| 1 | 195 |
| 2 | 7735 |
| 3 | 442845 |
| 4 | 29023267 |
| 5 | 2005585725 |
| 6 | 141719798155 |
| 7 | 10114218870405 |
| 8 | 725146833048547 |
| 9 | 52103103629506605 |
| 10 | 3747629441452207675 |
| 11 | 269694457905705145365 |
| 12 | 19413186029551925462227 |
| 13 | 1397576996396685547697085 |
| 14 | 100619359595850764613466795 |