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 | 4879 |
| 2 | 5292 |
| 3 | 38962 |
| 4 | 627615 |
| 5 | 5479453 |
| 6 | 8161912 |
| 7 | 243902440 |
| 8 | 665188470 |
| 9 | 867208672 |
| 10 | 909090909 |
| 11 | 2646002646 |
| 12 | 7359343993 |
| 13 | 8975672343 |
| 14 | 19481019481 |
| 15 | 65098401732 |
| 16 | 71428071429 |
| 17 | 74074074075 |
| 18 | 74761738129 |
| 19 | 81433418067 |
| 20 | 81933418567 |
| 21 | 90909090910 |
| 22 | 93555093555 |
| 23 | 98268434902 |
| 24 | 218400870420 |