n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 5 |
3 | 13 |
4 | 33 |
5 | 77 |
6 | 147 |
7 | 128 |
8 | -726 |
9 | -5870 |
10 | -28918 |
11 | -117501 |
12 | -419748 |
13 | -1330265 |
14 | -3631065 |
15 | -7585458 |
16 | -5021553 |
17 | 62555365 |
18 | 485450778 |
19 | 2473377984 |
20 | 10459876208 |
21 | 38765746168 |
22 | 126610935508 |
23 | 352046019398 |
24 | 725506704096 |
25 | 264040020875 |
26 | -7980075940060 |
27 | -58806846330257 |
[1,2,5,13,33,77,147,128,-726,-5870,-28918,-117501, -419748,-1330265,-3631065,-7585458,-5021553, 62555365,485450778,2473377984,10459876208, 38765746168,126610935508,352046019398, 725506704096,264040020875,-7980075940060, -58806846330257] |