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 | 1 |
| 2 | 344 |
| 3 | 8451 |
| 4 | 100864 |
| 5 | 465125 |
| 6 | 2907144 |
| 7 | 6569479 |
| 8 | 27557888 |
| 9 | 59895369 |
| 10 | 160003000 |
| 11 | 233671691 |
| 12 | 852401664 |
| 13 | 878081581 |
| 14 | 2259900776 |
| 15 | 3930771375 |