n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 3 |
4 | 16 |
5 | 137 |
6 | 1716 |
7 | 29767 |
8 | 689704 |
9 | 20868129 |
10 | 811683280 |
11 | 40112905211 |
12 | 2495678969664 |
13 | 193978310951977 |
14 | 18707104147471936 |
15 | 2224427540682088575 |
16 | 324218245786867111936 |
17 | 57606132897772268960513 |
18 | 12412563223145385150556416 |
19 | 3227770981209698325415487539 |
[1,1,3,16,137,1716,29767,689704,20868129, 811683280,40112905211,2495678969664, 193978310951977,18707104147471936, 2224427540682088575,324218245786867111936, 57606132897772268960513, 12412563223145385150556416, 3227770981209698325415487539] |