n | a(n) |
---|---|
1 | 0 |
2 | 2 |
3 | 2 |
4 | 8 |
5 | 8 |
6 | 30 |
7 | 30 |
8 | 112 |
9 | 112 |
10 | 418 |
11 | 418 |
12 | 1560 |
13 | 1560 |
14 | 5822 |
15 | 5822 |
16 | 21728 |
17 | 21728 |
18 | 81090 |
19 | 81090 |
20 | 302632 |
21 | 302632 |
22 | 1129438 |
23 | 1129438 |
24 | 4215120 |
25 | 4215120 |
26 | 15731042 |
27 | 15731042 |
28 | 58709048 |
29 | 58709048 |
30 | 219105150 |
31 | 219105150 |
32 | 817711552 |
33 | 817711552 |
34 | 3051741058 |
35 | 3051741058 |
36 | 11389252680 |
37 | 11389252680 |
[0,2,2,8,8,30,30,112,112,418,418,1560,1560,5822, 5822,21728,21728,81090,81090,302632,302632, 1129438,1129438,4215120,4215120,15731042,15731042, 58709048,58709048,219105150,219105150,817711552, 817711552,3051741058,3051741058,11389252680, 11389252680] |