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) |
|---|---|
| 1 | 26 |
| 2 | 676 |
| 3 | 15712 |
| 4 | 363465 |
| 5 | 8366690 |
| 6 | 192513201 |
| 7 | 4428597297 |
| 8 | 101873060353 |
| 9 | 2343406014665 |
| 10 | 53905733689480 |
| 11 | 1240001271788197 |
| 12 | 28523922980667486 |
| 13 | 656139776848417214 |
| 14 | 15093274671338487633 |
| 15 | 347192698846268632122 |