n | a(n) |
---|---|
1 | 1 |
2 | 17 |
3 | 113 |
4 | 628 |
5 | 3641 |
6 | 21375 |
7 | 124972 |
8 | 730509 |
9 | 4271331 |
10 | 24974286 |
11 | 146021443 |
12 | 853770711 |
13 | 4991901968 |
14 | 29187089317 |
15 | 170653628083 |
16 | 997792567886 |
17 | 5833980911671 |
18 | 34110630196019 |
19 | 199441018025056 |
20 | 1166109199411145 |
[1,17,113,628,3641,21375,124972,730509,4271331, 24974286,146021443,853770711,4991901968, 29187089317,170653628083,997792567886, 5833980911671,34110630196019,199441018025056, 1166109199411145] |