n | a(n) |
---|---|
3 | 1 |
4 | 1 |
5 | 3 |
6 | 5 |
7 | 10 |
8 | 17 |
9 | 35 |
10 | 63 |
11 | 126 |
12 | 231 |
13 | 462 |
14 | 858 |
15 | 1716 |
16 | 3217 |
17 | 6435 |
18 | 12155 |
19 | 24310 |
20 | 46189 |
21 | 92378 |
22 | 176358 |
23 | 352716 |
24 | 676039 |
25 | 1352078 |
26 | 2600150 |
27 | 5200300 |
28 | 10029150 |
29 | 20058300 |
30 | 38779380 |
31 | 77558760 |
32 | 150270097 |
33 | 300540195 |
34 | 583401555 |
35 | 1166803110 |
36 | 2268783825 |
37 | 4537567650 |
38 | 8836315950 |
[1,1,3,5,10,17,35,63,126,231,462,858,1716,3217, 6435,12155,24310,46189,92378,176358,352716,676039, 1352078,2600150,5200300,10029150,20058300, 38779380,77558760,150270097,300540195,583401555, 1166803110,2268783825,4537567650,8836315950] |