n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 55 |
3 | 168 |
4 | 3079 |
5 | 9405 |
6 | 172369 |
7 | 526512 |
8 | 9649585 |
9 | 29475267 |
10 | 540204391 |
11 | 1650088440 |
12 | 30241796311 |
13 | 92375477373 |
14 | 1693000389025 |
15 | 5171376644448 |
16 | 94777779989089 |
17 | 289504716611715 |
18 | 5305862678999959 |
19 | 16207092753611592 |
20 | 297033532244008615 |
21 | 907307689485637437 |
[1,3,55,168,3079,9405,172369,526512,9649585, 29475267,540204391,1650088440,30241796311, 92375477373,1693000389025,5171376644448, 94777779989089,289504716611715,5305862678999959, 16207092753611592,297033532244008615, 907307689485637437] |