n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 1 |
4 | 1 |
5 | 1 |
6 | 1 |
7 | 3 |
8 | 5 |
9 | 9 |
10 | 17 |
11 | 41 |
12 | 137 |
13 | 769 |
14 | 1925 |
15 | 7203 |
16 | 34081 |
17 | 227321 |
18 | 1737001 |
19 | 14736001 |
20 | 63232441 |
21 | 702617001 |
22 | 8873580481 |
23 | 122337693603 |
24 | 1705473647525 |
25 | 22511386506929 |
26 | 251582370867257 |
27 | 9254211194697641 |
28 | 215321535159114017 |
[1,1,1,1,1,1,1,3,5,9,17,41,137,769,1925,7203, 34081,227321,1737001,14736001,63232441,702617001, 8873580481,122337693603,1705473647525, 22511386506929,251582370867257,9254211194697641, 215321535159114017] |