n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 19 |
4 | 223 |
5 | 4019 |
6 | 98071 |
7 | 3012595 |
8 | 111408735 |
9 | 4813926235 |
10 | 237893755847 |
11 | 13230156372931 |
12 | 817650834368367 |
13 | 55588558619887179 |
14 | 4122802071853330711 |
15 | 331247290236326404499 |
16 | 28660436738240190615167 |
17 | 2656810905539387715877787 |
18 | 262694577305483845458361767 |
[1,1,3,19,223,4019,98071,3012595,111408735, 4813926235,237893755847,13230156372931, 817650834368367,55588558619887179, 4122802071853330711,331247290236326404499, 28660436738240190615167,2656810905539387715877787, 262694577305483845458361767] |