n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 1 |
4 | 2 |
5 | 6 |
6 | 21 |
7 | 112 |
8 | 853 |
9 | 11117 |
10 | 261080 |
11 | 3181 |
12 | 6903 |
13 | 16029 |
14 | 37762 |
15 | 60698 |
16 | 136522 |
17 | 295370 |
18 | 617884 |
19 | 1031444 |
20 | 2148844 |
21 | 4278884 |
22 | 8230174 |
23 | 13901726 |
24 | 27183550 |
25 | 50879126 |
26 | 92491135 |
27 | 155765543 |
28 | 289049521 |
29 | 515807289 |
30 | 899791226 |
31 | 1498906514 |
32 | 2663076114 |
33 | 4575392562 |
34 | 7727941845 |
35 | 12683646957 |
36 | 21727344375 |
37 | 36188012919 |
38 | 59514326840 |
39 | 96079635752 |
40 | 159569603160 |
[1,1,1,2,6,21,112,853,11117,261080,3181,6903, 16029,37762,60698,136522,295370,617884,1031444, 2148844,4278884,8230174,13901726,27183550, 50879126,92491135,155765543,289049521,515807289, 899791226,1498906514,2663076114,4575392562, 7727941845,12683646957,21727344375,36188012919, 59514326840,96079635752,159569603160] |