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 | 5 |
| 2 | 7 |
| 3 | 11 |
| 4 | 101 |
| 5 | 1481 |
| 6 | 3911 |
| 7 | 67421 |
| 8 | 67751 |
| 9 | 7592471 |
| 10 | 1922120561 |
| 11 | 3015551711 |
| 12 | 19694875121 |
| 13 | 4397554721831 |
| 14 | 29626637107421 |
| 15 | 55746215858141 |
| 16 | 3544413963914171 |