n | a(n) |
---|---|
3 | 1 |
4 | 4 |
5 | 30 |
6 | 12 |
7 | 98 |
8 | 28 |
9 | 270 |
10 | 60 |
11 | 682 |
12 | 124 |
13 | 1638 |
14 | 252 |
15 | 3810 |
16 | 508 |
17 | 8670 |
18 | 1020 |
19 | 19418 |
20 | 2044 |
21 | 42966 |
22 | 4092 |
23 | 94162 |
24 | 8188 |
25 | 204750 |
26 | 16380 |
27 | 442314 |
28 | 32764 |
29 | 950214 |
30 | 65532 |
31 | 2031554 |
32 | 131068 |
33 | 4325310 |
34 | 262140 |
35 | 9174970 |
36 | 524284 |
37 | 19398582 |
38 | 1048572 |
39 | 40894386 |
40 | 2097148 |
41 | 85983150 |
[1,4,30,12,98,28,270,60,682,124,1638,252,3810,508, 8670,1020,19418,2044,42966,4092,94162,8188,204750, 16380,442314,32764,950214,65532,2031554,131068, 4325310,262140,9174970,524284,19398582,1048572, 40894386,2097148,85983150] |