n | a(n) |
---|---|
6 | 1 |
7 | 7 |
8 | 49 |
9 | 268 |
10 | 1448 |
11 | 7228 |
12 | 35878 |
13 | 172470 |
14 | 828380 |
15 | 3924415 |
16 | 18627313 |
17 | 87940196 |
18 | 416581962 |
19 | 1971018227 |
20 | 9364427840 |
21 | 44535275966 |
22 | 212749669917 |
23 | 1018545160923 |
24 | 4898593478484 |
25 | 23625691956720 |
26 | 114460931725922 |
27 | 556278543737430 |
28 | 2715406810871312 |
29 | 13298453769286699 |
[1,7,49,268,1448,7228,35878,172470,828380,3924415, 18627313,87940196,416581962,1971018227,9364427840, 44535275966,212749669917,1018545160923, 4898593478484,23625691956720,114460931725922, 556278543737430,2715406810871312, 13298453769286699] |