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 | 149 |
| 2 | 496481 |
| 3 | 361400441 |
| 4 | 202521162209 |
| 5 | 562557765929 |
| 6 | 624164006561 |
| 7 | 98011000010201 |
| 8 | 118811210012321 |
| 9 | 198812016420449 |
| 10 | 272252755627889 |
| 11 | 342253459634969 |
| 12 | 778417840078961 |
| 13 | 789617952480089 |
| 14 | 906019120491809 |