n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 4 |
3 | 8 |
4 | 17 |
5 | 38 |
6 | 94 |
7 | 258 |
8 | 815 |
9 | 3038 |
10 | 13804 |
11 | 78760 |
12 | 580456 |
13 | 5647602 |
14 | 73645352 |
15 | 1297920850 |
16 | 31031370360 |
17 | 1007551636038 |
18 | 44432872400460 |
19 | 2661065508648436 |
20 | 216457998880015366 |
21 | 23920728651724212120 |
22 | 3593384834863975164882 |
23 | 734240676501745813835934 |
[1,2,4,8,17,38,94,258,815,3038,13804,78760,580456, 5647602,73645352,1297920850,31031370360, 1007551636038,44432872400460,2661065508648436, 216457998880015366,23920728651724212120, 3593384834863975164882,734240676501745813835934] |