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 | 23 |
| 2 | 29 |
| 3 | 47 |
| 4 | 101 |
| 5 | 263 |
| 6 | 2207 |
| 7 | 6581 |
| 8 | 59069 |
| 9 | 177167 |
| 10 | 4782989 |
| 11 | 984770902183611232901 |
| 12 | 174449211009120179071170527 |
| 13 | 278128389443693511257285776231781 |
| 14 | 7509466514979724803946715958257567 |