n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 1 |
3 | 1 |
4 | 17 |
5 | 31 |
6 | 691 |
7 | 10922 |
8 | 929569 |
9 | 3202291 |
10 | 221930581 |
11 | 9444233042 |
12 | 56963745931 |
13 | 29435334228302 |
14 | 2093660879252671 |
15 | 344502690252804724 |
16 | 129848163681107301953 |
17 | 868320396104950823611 |
18 | 209390615747646519456961 |
19 | 28259319101491102261334882 |
[0,1,1,1,17,31,691,10922,929569,3202291,221930581, 9444233042,56963745931,29435334228302, 2093660879252671,344502690252804724, 129848163681107301953,868320396104950823611, 209390615747646519456961, 28259319101491102261334882] |