n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 1 |
4 | 3 |
5 | 10 |
6 | 27 |
7 | 68 |
8 | 156 |
9 | 357 |
10 | 775 |
11 | 1667 |
12 | 3505 |
13 | 7303 |
14 | 15019 |
15 | 30759 |
16 | 62489 |
17 | 126619 |
18 | 255542 |
19 | 514721 |
20 | 1034425 |
21 | 2076924 |
22 | 4164650 |
23 | 8346306 |
24 | 16715847 |
25 | 33467324 |
26 | 66982798 |
27 | 134040148 |
28 | 268179417 |
29 | 536510608 |
30 | 1073226084 |
31 | 2146759579 |
32 | 4293930436 |
33 | 8588485846 |
34 | 17177799658 |
[0,0,0,1,3,10,27,68,156,357,775,1667,3505,7303, 15019,30759,62489,126619,255542,514721,1034425, 2076924,4164650,8346306,16715847,33467324, 66982798,134040148,268179417,536510608,1073226084, 2146759579,4293930436,8588485846,17177799658] |