n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 0 |
3 | 1 |
4 | 0 |
5 | 3 |
6 | -3 |
7 | 15 |
8 | -30 |
9 | 101 |
10 | -261 |
11 | 807 |
12 | -2308 |
13 | 7065 |
14 | -21171 |
15 | 65337 |
16 | -200934 |
17 | 627249 |
18 | -1962034 |
19 | 6192066 |
20 | -19610346 |
21 | 62482527 |
22 | -199807110 |
23 | 641837193 |
24 | -2068695927 |
25 | 6691611633 |
26 | -21710041944 |
27 | 70645706963 |
28 | -230488840446 |
29 | 753903842400 |
30 | -2471624380458 |
31 | 8120879664294 |
32 | -26736570257010 |
[1,0,0,1,0,3,-3,15,-30,101,-261,807,-2308,7065, -21171,65337,-200934,627249,-1962034,6192066, -19610346,62482527,-199807110,641837193, -2068695927,6691611633,-21710041944,70645706963, -230488840446,753903842400,-2471624380458, 8120879664294,-26736570257010] |