n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 5 |
4 | 22 |
5 | 116 |
6 | 612 |
7 | 3399 |
8 | 19228 |
9 | 111041 |
10 | 650325 |
11 | 3856892 |
12 | 23107896 |
13 | 139672312 |
14 | 850624376 |
15 | 5214734547 |
16 | 32154708216 |
17 | 199292232035 |
18 | 1240877862315 |
19 | 7758138260565 |
20 | 48685766617950 |
21 | 306558216362064 |
22 | 1936246229757840 |
23 | 12263985131919300 |
24 | 77880114240872112 |
[1,1,5,22,116,612,3399,19228,111041,650325, 3856892,23107896,139672312,850624376,5214734547, 32154708216,199292232035,1240877862315, 7758138260565,48685766617950,306558216362064, 1936246229757840,12263985131919300, 77880114240872112] |