n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 2 |
4 | 1 |
5 | 3 |
6 | 6 |
7 | 4 |
8 | 10 |
9 | 20 |
10 | 5 |
11 | 35 |
12 | 70 |
13 | 28 |
14 | 126 |
15 | 252 |
16 | 42 |
17 | 462 |
18 | 924 |
19 | 264 |
20 | 1716 |
21 | 3432 |
22 | 715 |
23 | 6435 |
24 | 12870 |
25 | 2860 |
26 | 24310 |
27 | 48620 |
28 | 12376 |
29 | 92378 |
30 | 184756 |
31 | 33592 |
32 | 352716 |
33 | 705432 |
34 | 58786 |
35 | 1352078 |
36 | 2704156 |
37 | 416024 |
38 | 5200300 |
39 | 10400600 |
40 | 742900 |
41 | 20058300 |
42 | 40116600 |
43 | 5348880 |
[1,1,1,2,1,3,6,4,10,20,5,35,70,28,126,252,42,462, 924,264,1716,3432,715,6435,12870,2860,24310,48620, 12376,92378,184756,33592,352716,705432,58786, 1352078,2704156,416024,5200300,10400600,742900, 20058300,40116600,5348880] |