n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 12 |
4 | 59 |
5 | 338 |
6 | 2185 |
7 | 15613 |
8 | 121553 |
9 | 1020170 |
10 | 9154963 |
11 | 87276995 |
12 | 879242215 |
13 | 9319182044 |
14 | 103537712361 |
15 | 1201967382478 |
16 | 14540040004755 |
17 | 182840037042560 |
18 | 2384985091689409 |
19 | 32209645344213417 |
20 | 449608555748234353 |
21 | 6476887237235672388 |
22 | 96156363230696213447 |
[1,1,3,12,59,338,2185,15613,121553,1020170, 9154963,87276995,879242215,9319182044, 103537712361,1201967382478,14540040004755, 182840037042560,2384985091689409, 32209645344213417,449608555748234353, 6476887237235672388,96156363230696213447] |