n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 0 |
3 | -1 |
4 | -1 |
5 | -1 |
6 | 0 |
7 | 4 |
8 | 15 |
9 | 40 |
10 | 86 |
11 | 134 |
12 | 16 |
13 | -1060 |
14 | -6119 |
15 | -25187 |
16 | -86678 |
17 | -250846 |
18 | -537819 |
19 | -175233 |
20 | 6998009 |
21 | 55632942 |
22 | 310923272 |
23 | 1465146781 |
24 | 6011047682 |
25 | 20719304348 |
26 | 49356093300 |
27 | -36579100806 |
28 | -1549214884054 |
29 | -13807417413199 |
30 | -92912464763743 |
[1,0,0,-1,-1,-1,0,4,15,40,86,134,16,-1060,-6119, -25187,-86678,-250846,-537819,-175233,6998009, 55632942,310923272,1465146781,6011047682, 20719304348,49356093300,-36579100806, -1549214884054,-13807417413199,-92912464763743] |