n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 8 |
4 | 15 |
5 | 34 |
6 | 67 |
7 | 135 |
8 | 285 |
9 | 598 |
10 | 1314 |
11 | 2946 |
12 | 6702 |
13 | 15403 |
14 | 35569 |
15 | 82884 |
16 | 190820 |
17 | 444384 |
18 | 1026605 |
19 | 2364499 |
20 | 5454576 |
21 | 12522380 |
22 | 28698420 |
23 | 65469202 |
24 | 149407615 |
25 | 339508581 |
26 | 769387875 |
27 | 1739536216 |
28 | 3922183539 |
29 | 8828954730 |
[1,1,3,8,15,34,67,135,285,598,1314,2946,6702, 15403,35569,82884,190820,444384,1026605,2364499, 5454576,12522380,28698420,65469202,149407615, 339508581,769387875,1739536216,3922183539, 8828954730] |