n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 4 |
3 | 8 |
4 | 36 |
5 | 192 |
6 | 904 |
7 | 3712 |
8 | 14032 |
9 | 51722 |
10 | 194536 |
11 | 760168 |
12 | 3057432 |
13 | 12419136 |
14 | 50280624 |
15 | 202174720 |
16 | 809484496 |
17 | 3241156320 |
18 | 13015284868 |
19 | 52449925944 |
20 | 211924584048 |
21 | 857458176592 |
22 | 3471152601384 |
23 | 14055938213248 |
24 | 56942486482416 |
25 | 230837469092362 |
26 | 936540163215304 |
[1,2,4,8,36,192,904,3712,14032,51722,194536, 760168,3057432,12419136,50280624,202174720, 809484496,3241156320,13015284868,52449925944, 211924584048,857458176592,3471152601384, 14055938213248,56942486482416,230837469092362, 936540163215304] |