n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 19 |
4 | 145 |
5 | 1137 |
6 | 8947 |
7 | 70435 |
8 | 554529 |
9 | 4365793 |
10 | 34371811 |
11 | 270608691 |
12 | 2130497713 |
13 | 16773373009 |
14 | 132056486355 |
15 | 1039678517827 |
16 | 8185371656257 |
17 | 64443294732225 |
18 | 507360986201539 |
19 | 3994444594880083 |
20 | 31448195772839121 |
21 | 247591121587832881 |
22 | 1949280776929823923 |
[1,3,19,145,1137,8947,70435,554529,4365793, 34371811,270608691,2130497713,16773373009, 132056486355,1039678517827,8185371656257, 64443294732225,507360986201539,3994444594880083, 31448195772839121,247591121587832881, 1949280776929823923] |