n | a(n) |
---|---|
0 | 1 |
1 | 4 |
2 | 31 |
3 | 329 |
4 | 4316 |
5 | 66543 |
6 | 1172077 |
7 | 23139068 |
8 | 504673027 |
9 | 12023659317 |
10 | 310112290044 |
11 | 8596075462411 |
12 | 254551364575929 |
13 | 8012189624924740 |
14 | 266901629110149847 |
15 | 9374566215360038977 |
16 | 346044223246303101068 |
[1,4,31,329,4316,66543,1172077,23139068,504673027, 12023659317,310112290044,8596075462411, 254551364575929,8012189624924740, 266901629110149847,9374566215360038977, 346044223246303101068] |