n | a(n) |
---|---|
0 | 0 |
1 | 2 |
2 | 10 |
3 | 44 |
4 | 178 |
5 | 740 |
6 | 2868 |
7 | 11852 |
8 | 47522 |
9 | 190104 |
10 | 735842 |
11 | 3090116 |
12 | 11777124 |
13 | 48557252 |
14 | 194656036 |
15 | 778669672 |
16 | 3117617996 |
17 | 12677727330 |
18 | 49850271300 |
19 | 192901051976 |
20 | 795560529352 |
21 | 3243898094388 |
22 | 12977884832332 |
23 | 51055591319170 |
[0,2,10,44,178,740,2868,11852,47522,190104,735842, 3090116,11777124,48557252,194656036,778669672, 3117617996,12677727330,49850271300,192901051976, 795560529352,3243898094388,12977884832332, 51055591319170] |