n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 27 |
3 | 303 |
4 | 3771 |
5 | 49653 |
6 | 677979 |
7 | 9496791 |
8 | 135572859 |
9 | 1963940073 |
10 | 28783474677 |
11 | 425872190241 |
12 | 6350923156059 |
13 | 95341185353781 |
14 | 1439433069482547 |
15 | 21839152342265703 |
16 | 332769145298428539 |
17 | 5089688869615075521 |
18 | 78108038975852093889 |
19 | 1202268428203687094493 |
20 | 18555675891246972931221 |
[1,3,27,303,3771,49653,677979,9496791,135572859, 1963940073,28783474677,425872190241,6350923156059, 95341185353781,1439433069482547,21839152342265703, 332769145298428539,5089688869615075521, 78108038975852093889,1202268428203687094493, 18555675891246972931221] |