n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 1 |
4 | 7 |
5 | 5 |
6 | 40 |
7 | 19 |
8 | 418 |
9 | 491 |
10 | 27240 |
11 | 24451 |
12 | 2971576 |
13 | 2078908 |
14 | 614382155 |
15 | 474528877 |
16 | 322682051335 |
17 | 262749927910 |
18 | 400764203886592 |
19 | 313224621598547 |
20 | 1137774558755597994 |
21 | 881352408772896894 |
22 | 7433275932107389413579 |
[1,1,1,7,5,40,19,418,491,27240,24451,2971576, 2078908,614382155,474528877,322682051335, 262749927910,400764203886592,313224621598547, 1137774558755597994,881352408772896894, 7433275932107389413579] |