n | a(n) |
---|---|
1 | 9 |
2 | 45 |
3 | 117 |
4 | 565 |
5 | 1953 |
6 | 9153 |
7 | 37269 |
8 | 173409 |
9 | 766869 |
10 | 3589357 |
11 | 16545861 |
12 | 78195505 |
13 | 368573829 |
14 | 1757922765 |
15 | 8394885777 |
16 | 40340645213 |
17 | 194259462205 |
18 | 938930726781 |
19 | 4547344031581 |
20 | 22077243778089 |
21 | 107366485176765 |
22 | 523060579628697 |
[9,45,117,565,1953,9153,37269,173409,766869, 3589357,16545861,78195505,368573829,1757922765, 8394885777,40340645213,194259462205,938930726781, 4547344031581,22077243778089,107366485176765, 523060579628697] |