n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 3 |
4 | 6 |
5 | 11 |
6 | 20 |
7 | 37 |
8 | 70 |
9 | 132 |
10 | 252 |
11 | 482 |
12 | 924 |
13 | 1778 |
14 | 3432 |
15 | 6639 |
16 | 12870 |
17 | 24994 |
18 | 48620 |
19 | 94716 |
20 | 184756 |
21 | 360821 |
22 | 705432 |
23 | 1380533 |
24 | 2704156 |
25 | 5301248 |
26 | 10400600 |
27 | 20419624 |
28 | 40116600 |
29 | 78861995 |
30 | 155117520 |
31 | 305272239 |
32 | 601080390 |
33 | 1184086260 |
34 | 2333606220 |
35 | 4601020897 |
36 | 9075135300 |
[1,1,2,3,6,11,20,37,70,132,252,482,924,1778,3432, 6639,12870,24994,48620,94716,184756,360821,705432, 1380533,2704156,5301248,10400600,20419624, 40116600,78861995,155117520,305272239,601080390, 1184086260,2333606220,4601020897,9075135300] |