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 | 3 |
| 3 | 16 |
| 4 | 64 |
| 5 | 343 |
| 6 | 4096 |
| 7 | 59049 |
| 8 | 1000000 |
| 9 | 14348907 |
| 10 | 129140163 |
| 11 | 1475789056 |
| 12 | 38443359375 |
| 13 | 1099511627776 |
| 14 | 34271896307633 |
| 15 | 1156831381426176 |
| 16 | 42052983462257059 |
| 17 | 1152921504606846976 |
| 18 | 18446744073709551616 |
| 19 | 295147905179352825856 |
| 20 | 12116574790945106558976 |