The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 1993 |
| 3 | 134857 |
| 4 | 716192579 |
| 5 | 68539500613 |
| 6 | 101479854517477 |
| 7 | 711236716682257 |
| 8 | 1646895113182602793 |
| 9 | 783453821802171722617 |
| 10 | 91545091731109499684503 |
| 11 | 5225628509593228805996529 |
| 12 | 1808125915932987167909775139 |
[2,1993,134857,716192579,68539500613, 101479854517477,711236716682257, 1646895113182602793,783453821802171722617, 91545091731109499684503,5225628509593228805996529, 1808125915932987167909775139] |