n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 2 |
4 | 3 |
5 | 5 |
6 | 9 |
7 | 18 |
8 | 35 |
9 | 72 |
10 | 160 |
11 | 350 |
12 | 770 |
13 | 1848 |
14 | 4455 |
15 | 10920 |
16 | 27648 |
17 | 70720 |
18 | 185895 |
19 | 496125 |
20 | 1344000 |
21 | 3706560 |
22 | 10395840 |
23 | 29568000 |
24 | 85299200 |
25 | 249356800 |
26 | 738840960 |
27 | 2216522880 |
28 | 6730407936 |
29 | 20678434920 |
30 | 64253314125 |
31 | 201847852800 |
32 | 640813814784 |
33 | 2055410286592 |
34 | 6658705461408 |
35 | 21780889600000 |
[1,1,1,2,3,5,9,18,35,72,160,350,770,1848,4455, 10920,27648,70720,185895,496125,1344000,3706560, 10395840,29568000,85299200,249356800,738840960, 2216522880,6730407936,20678434920,64253314125, 201847852800,640813814784,2055410286592, 6658705461408,21780889600000] |