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 | 6 |
| 3 | 7 |
| 4 | 10 |
| 5 | 19 |
| 6 | 48 |
| 7 | 175 |
| 8 | 864 |
| 9 | 5837 |
| 10 | 51800 |
| 11 | 584259 |
| 12 | 8124352 |
| 13 | 135854841 |
| 14 | 2676859186 |
| 15 | 61120545021 |
| 16 | 1594967614576 |
| 17 | 47019134572933 |