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 | 64 |
| 2 | 8192 |
| 3 | 132971 |
| 4 | 3518619 |
| 5 | 77396422 |
| 6 | 1812097252 |
| 7 | 41966406867 |
| 8 | 972282892539 |
| 9 | 22595595313115 |
| 10 | 524762543383531 |
| 11 | 12194289128927894 |
| 12 | 283431884166143510 |
| 13 | 6588576515306179215 |
| 14 | 153173958754721101279 |
| 15 | 3561231247509661888958 |