n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 4 |
3 | 0 |
4 | 28 |
5 | 48 |
6 | 76 |
7 | 0 |
8 | 508 |
9 | 1008 |
10 | 1996 |
11 | 3840 |
12 | 7420 |
13 | 12528 |
14 | 19660 |
15 | 0 |
16 | 131068 |
17 | 262128 |
18 | 524236 |
19 | 1048320 |
20 | 2096380 |
21 | 4190448 |
22 | 8375500 |
23 | 16711680 |
24 | 33357820 |
25 | 66125808 |
26 | 130875340 |
27 | 251723520 |
28 | 486341884 |
29 | 821096688 |
30 | 1288490188 |
31 | 0 |
32 | 8589934588 |
33 | 17179869168 |
34 | 34359738316 |
[1,0,4,0,28,48,76,0,508,1008,1996,3840,7420,12528, 19660,0,131068,262128,524236,1048320,2096380, 4190448,8375500,16711680,33357820,66125808, 130875340,251723520,486341884,821096688, 1288490188,0,8589934588,17179869168,34359738316] |