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 | 337 |
| 2 | 5529 |
| 3 | 80812 |
| 4 | 1232795 |
| 5 | 18588589 |
| 6 | 281420718 |
| 7 | 4255603649 |
| 8 | 64377477751 |
| 9 | 973770904216 |
| 10 | 14729764992131 |
| 11 | 222807558297931 |
| 12 | 3370276970276934 |
| 13 | 50980111666109221 |
| 14 | 771145138865934865 |
| 15 | 11664642166349200910 |