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 | 274177 |
| 2 | 319489 |
| 3 | 6700417 |
| 4 | 825753601 |
| 5 | 1214251009 |
| 6 | 6487031809 |
| 7 | 646730219521 |
| 8 | 6597069766657 |
| 9 | 25409026523137 |
| 10 | 31065037602817 |
| 11 | 46179488366593 |
| 12 | 151413703311361 |
| 13 | 231292694251438081 |
| 14 | 1529992420282859521 |
| 15 | 2170072644496392193 |
| 16 | 3603109844542291969 |