n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 11 |
4 | 51 |
5 | 295 |
6 | 2055 |
7 | 16715 |
8 | 155355 |
9 | 1624255 |
10 | 18868575 |
11 | 241112675 |
12 | 3361168275 |
13 | 50760093175 |
14 | 825541973175 |
15 | 14385306834875 |
16 | 267379330468875 |
17 | 5280383597275375 |
18 | 110414649582951375 |
19 | 2437075699774353875 |
20 | 56622329782817431875 |
21 | 1381324610464997374375 |
22 | 35302637257323023454375 |
[1,1,3,11,51,295,2055,16715,155355,1624255, 18868575,241112675,3361168275,50760093175, 825541973175,14385306834875,267379330468875, 5280383597275375,110414649582951375, 2437075699774353875,56622329782817431875, 1381324610464997374375,35302637257323023454375] |