n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 13 |
4 | 141 |
5 | 2141 |
6 | 41798 |
7 | 997340 |
8 | 28124253 |
9 | 915095222 |
10 | 33744966795 |
11 | 1390772973547 |
12 | 63353273661835 |
13 | 3160751396077900 |
14 | 171405094563763674 |
15 | 10038777321831260503 |
16 | 631498191927510881178 |
17 | 42464602911622645539047 |
18 | 3039724643022777390236243 |
[1,2,13,141,2141,41798,997340,28124253,915095222, 33744966795,1390772973547,63353273661835, 3160751396077900,171405094563763674, 10038777321831260503,631498191927510881178, 42464602911622645539047,3039724643022777390236243] |