n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 2 |
4 | 6 |
5 | 22 |
6 | 92 |
7 | 423 |
8 | 2093 |
9 | 10994 |
10 | 60744 |
11 | 350743 |
12 | 2106422 |
13 | 13110304 |
14 | 84330164 |
15 | 559367278 |
16 | 3819233961 |
17 | 26802388190 |
18 | 193080823079 |
19 | 1426252354150 |
20 | 10792528835886 |
21 | 83587157097544 |
22 | 662060553448763 |
23 | 5358900630188358 |
24 | 44296806348364981 |
[1,1,1,2,6,22,92,423,2093,10994,60744,350743, 2106422,13110304,84330164,559367278,3819233961, 26802388190,193080823079,1426252354150, 10792528835886,83587157097544,662060553448763, 5358900630188358,44296806348364981] |