n | a(n) |
---|---|
1 | 2 |
2 | 1 |
3 | 2 |
4 | 4 |
5 | 8 |
6 | 16 |
7 | 40 |
8 | 96 |
9 | 224 |
10 | 528 |
11 | 1376 |
12 | 3520 |
13 | 8864 |
14 | 22272 |
15 | 59648 |
16 | 156992 |
17 | 407808 |
18 | 1060864 |
19 | 2872960 |
20 | 7701504 |
21 | 20460032 |
22 | 54299904 |
23 | 148601856 |
24 | 402977792 |
25 | 1084414464 |
26 | 2918055936 |
27 | 8035600384 |
28 | 21980652544 |
29 | 59769698304 |
30 | 162381037568 |
31 | 449715144704 |
[2,1,2,4,8,16,40,96,224,528,1376,3520,8864,22272, 59648,156992,407808,1060864,2872960,7701504, 20460032,54299904,148601856,402977792,1084414464, 2918055936,8035600384,21980652544,59769698304, 162381037568,449715144704] |