n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 4 |
3 | 10 |
4 | 36 |
5 | 202 |
6 | 1828 |
7 | 27338 |
8 | 692004 |
9 | 30251721 |
10 | 2290267225 |
11 | 275723872209 |
12 | 45943934602273 |
13 | 9336623954364993 |
14 | 2119856439870545025 |
15 | 510453118614955153665 |
16 | 126696287737269468934657 |
17 | 31933986928271408429425665 |
18 | 8111646059635412792802330625 |
[1,2,4,10,36,202,1828,27338,692004,30251721, 2290267225,275723872209,45943934602273, 9336623954364993,2119856439870545025, 510453118614955153665,126696287737269468934657, 31933986928271408429425665, 8111646059635412792802330625] |