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 | 35 |
| 2 | 1225 |
| 3 | 32523 |
| 4 | 772683 |
| 5 | 17735200 |
| 6 | 403836633 |
| 7 | 9186127249 |
| 8 | 208983591829 |
| 9 | 4754911670136 |
| 10 | 108190494364824 |
| 11 | 2461721043138176 |
| 12 | 56012981686098087 |
| 13 | 1274495739407259502 |
| 14 | 28999333370466443973 |
| 15 | 659838457829407289280 |