n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 1 |
6 | 2 |
7 | 5 |
8 | 12 |
9 | 28 |
10 | 63 |
11 | 139 |
12 | 303 |
13 | 653 |
14 | 1394 |
15 | 2953 |
16 | 6215 |
17 | 13008 |
18 | 27095 |
19 | 56201 |
20 | 116143 |
21 | 239231 |
22 | 491326 |
23 | 1006420 |
24 | 2056633 |
25 | 4193706 |
26 | 8534653 |
27 | 17337764 |
28 | 35162804 |
29 | 71205504 |
30 | 143990366 |
31 | 290795624 |
32 | 586566102 |
33 | 1181834852 |
34 | 2378701408 |
[0,0,0,0,0,1,2,5,12,28,63,139,303,653,1394,2953, 6215,13008,27095,56201,116143,239231,491326, 1006420,2056633,4193706,8534653,17337764,35162804, 71205504,143990366,290795624,586566102,1181834852, 2378701408] |