n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 1 |
4 | 2 |
5 | 5 |
6 | 7 |
7 | 10 |
8 | 20 |
9 | 41 |
10 | 67 |
11 | 110 |
12 | 220 |
13 | 441 |
14 | 767 |
15 | 1335 |
16 | 2670 |
17 | 5341 |
18 | 9587 |
19 | 17211 |
20 | 34422 |
21 | 68845 |
22 | 126011 |
23 | 230655 |
24 | 461310 |
25 | 922621 |
26 | 1711595 |
27 | 3175311 |
28 | 6350622 |
29 | 12701245 |
30 | 23796515 |
31 | 44584536 |
32 | 89169072 |
33 | 178338145 |
[1,1,1,2,5,7,10,20,41,67,110,220,441,767,1335, 2670,5341,9587,17211,34422,68845,126011,230655, 461310,922621,1711595,3175311,6350622,12701245, 23796515,44584536,89169072,178338145] |