n | a(n) |
---|---|
40 | 1 |
41 | 41 |
42 | 861 |
43 | 12341 |
44 | 135751 |
45 | 1221759 |
46 | 9366819 |
47 | 62891499 |
48 | 377348994 |
49 | 2054455634 |
50 | 10272278170 |
51 | 47626016970 |
52 | 206379406870 |
53 | 841392966470 |
54 | 3245372870670 |
55 | 11899700525790 |
56 | 41648951840265 |
57 | 139646485582065 |
58 | 449972009097765 |
59 | 1397281501935165 |
60 | 4191844505805495 |
[1,41,861,12341,135751,1221759,9366819,62891499, 377348994,2054455634,10272278170,47626016970, 206379406870,841392966470,3245372870670, 11899700525790,41648951840265,139646485582065, 449972009097765,1397281501935165,4191844505805495] |