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 | 28 |
| 2 | 926 |
| 3 | 27341 |
| 4 | 790681 |
| 5 | 22952323 |
| 6 | 663249556 |
| 7 | 19117551262 |
| 8 | 550960518608 |
| 9 | 15873533676775 |
| 10 | 457181997376959 |
| 11 | 13166310184133045 |
| 12 | 379162593435951456 |
| 13 | 10918763117793096685 |
| 14 | 314422821700641922733 |
| 15 | 9054241291311457562833 |