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 | 945 |
| 2 | 2205 |
| 3 | 7425 |
| 4 | 8415 |
| 5 | 8925 |
| 6 | 31815 |
| 7 | 32445 |
| 8 | 351351 |
| 9 | 442365 |
| 10 | 14571585 |
| 11 | 20355825 |
| 12 | 20487159 |
| 13 | 78524145 |
| 14 | 159030135 |
| 15 | 1756753845 |
| 16 | 2586415095 |
| 17 | 82014476355 |
| 18 | 93128205975 |
| 19 | 125208115065 |
| 20 | 127595519865 |
| 21 | 154063853475 |
| 22 | 394247024535 |
| 23 | 948907364895 |