n | a(n) |
---|---|
1 | 1 |
2 | 0 |
3 | 2 |
4 | 1 |
5 | 6 |
6 | 7 |
7 | 22 |
8 | 36 |
9 | 89 |
10 | 168 |
11 | 377 |
12 | 756 |
13 | 1630 |
14 | 3353 |
15 | 7110 |
16 | 14783 |
17 | 31130 |
18 | 65016 |
19 | 136513 |
20 | 285648 |
21 | 599041 |
22 | 1254456 |
23 | 2629418 |
24 | 5508097 |
25 | 11542854 |
26 | 24183271 |
27 | 50674318 |
28 | 106173180 |
29 | 222470009 |
30 | 466131960 |
31 | 976694489 |
32 | 2046447180 |
33 | 4287928678 |
34 | 8984443769 |
35 | 18825088134 |
[1,0,2,1,6,7,22,36,89,168,377,756,1630,3353,7110, 14783,31130,65016,136513,285648,599041,1254456, 2629418,5508097,11542854,24183271,50674318, 106173180,222470009,466131960,976694489, 2046447180,4287928678,8984443769,18825088134] |