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 | 656601 |
| 2 | 25536531021 |
| 3 | 8829751133841 |
| 4 | 60561233400921 |
| 5 | 79934093254401 |
| 6 | 352609909731201 |
| 7 | 598438077923841 |
| 8 | 976515437206401 |
| 9 | 2122162714918401 |
| 10 | 2789066007968241 |
| 11 | 3767175573114801 |
| 12 | 7881891474971361 |
| 13 | 10740122274670881 |
| 14 | 11512252145095521 |
| 15 | 16924806963384321 |