n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 1 |
3 | 7 |
4 | 31 |
5 | 191 |
6 | 1331 |
7 | 10655 |
8 | 95887 |
9 | 958879 |
10 | 10547659 |
11 | 126571919 |
12 | 1645434935 |
13 | 23036089103 |
14 | 345541336531 |
15 | 5528661384511 |
16 | 93987243536671 |
17 | 1691770383660095 |
18 | 32143637289541787 |
19 | 642872745790835759 |
20 | 13500327661607550919 |
[0,1,1,7,31,191,1331,10655,95887,958879,10547659, 126571919,1645434935,23036089103,345541336531, 5528661384511,93987243536671,1691770383660095, 32143637289541787,642872745790835759, 13500327661607550919] |