n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 1 |
4 | 1 |
5 | 1 |
6 | 3 |
7 | 5 |
8 | 9 |
9 | 17 |
10 | 65 |
11 | 385 |
12 | 3841 |
13 | 69087 |
14 | 4559417 |
15 | 1759931497 |
16 | 6761656746177 |
17 | 467149341275385921 |
18 | 2129929115299135769778433 |
19 | 3748529338522222733404780820902657 |
20 | 25346268690064943238497951432386776919871664547 |
[1,1,1,1,1,1,3,5,9,17,65,385,3841,69087,4559417, 1759931497,6761656746177,467149341275385921, 2129929115299135769778433, 3748529338522222733404780820902657, 25346268690064943238497951432386776919871664547] |