n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 17 |
4 | 131 |
5 | 1177 |
6 | 11531 |
7 | 119201 |
8 | 1276771 |
9 | 14015401 |
10 | 156585211 |
11 | 1772626673 |
12 | 20275611347 |
13 | 233912585849 |
14 | 2718842818923 |
15 | 31816917837377 |
16 | 374657837729987 |
17 | 4436890509548617 |
[1,1,3,17,131,1177,11531,119201,1276771,14015401, 156585211,1772626673,20275611347,233912585849, 2718842818923,31816917837377,374657837729987, 4436890509548617] |