n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 20 |
4 | 174 |
5 | 1915 |
6 | 25861 |
7 | 407691 |
8 | 7330188 |
9 | 148016449 |
10 | 3312032213 |
11 | 81207824255 |
12 | 2162810487154 |
13 | 62125097028962 |
14 | 1913156511113517 |
15 | 62839800627095263 |
16 | 2191735865280260976 |
17 | 80859575674731497805 |
18 | 3144804693463679033629 |
19 | 128550453029684197431607 |
[1,3,20,174,1915,25861,407691,7330188,148016449, 3312032213,81207824255,2162810487154, 62125097028962,1913156511113517,62839800627095263, 2191735865280260976,80859575674731497805, 3144804693463679033629,128550453029684197431607] |