n | a(n) |
---|---|
1 | 1 |
2 | 7 |
3 | 31 |
4 | 265 |
5 | 1177 |
6 | 10063 |
7 | 44695 |
8 | 382129 |
9 | 1697233 |
10 | 14510839 |
11 | 64450159 |
12 | 551029753 |
13 | 2447408809 |
14 | 20924619775 |
15 | 92937084583 |
16 | 794584521697 |
17 | 3529161805345 |
18 | 30173287204711 |
19 | 134015211518527 |
20 | 1145790329257321 |
21 | 5089048875898681 |
22 | 43509859224573487 |
[1,7,31,265,1177,10063,44695,382129,1697233, 14510839,64450159,551029753,2447408809, 20924619775,92937084583,794584521697, 3529161805345,30173287204711,134015211518527, 1145790329257321,5089048875898681, 43509859224573487] |