n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 10 |
3 | 44 |
4 | 174 |
5 | 822 |
6 | 3414 |
7 | 16604 |
8 | 70600 |
9 | 348828 |
10 | 1503802 |
11 | 7504156 |
12 | 32645122 |
13 | 164014374 |
14 | 718098056 |
15 | 3625748104 |
16 | 15950473396 |
17 | 80839381968 |
18 | 356946436186 |
19 | 1814421022372 |
20 | 8035178656538 |
21 | 40941855317034 |
22 | 181746522965214 |
23 | 927880523400340 |
[1,3,10,44,174,822,3414,16604,70600,348828, 1503802,7504156,32645122,164014374,718098056, 3625748104,15950473396,80839381968,356946436186, 1814421022372,8035178656538,40941855317034, 181746522965214,927880523400340] |