n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 1 |
3 | 0 |
4 | 1 |
5 | 2 |
6 | 4 |
7 | 7 |
8 | 14 |
9 | 27 |
10 | 52 |
11 | 100 |
12 | 193 |
13 | 372 |
14 | 717 |
15 | 1382 |
16 | 2664 |
17 | 5135 |
18 | 9898 |
19 | 19079 |
20 | 36776 |
21 | 70888 |
22 | 136641 |
23 | 263384 |
24 | 507689 |
25 | 978602 |
26 | 1886316 |
27 | 3635991 |
28 | 7008598 |
29 | 13509507 |
30 | 26040412 |
31 | 50194508 |
32 | 96753025 |
33 | 186497452 |
34 | 359485397 |
35 | 692930382 |
36 | 1335666256 |
37 | 2574579487 |
[0,0,1,0,1,2,4,7,14,27,52,100,193,372,717,1382, 2664,5135,9898,19079,36776,70888,136641,263384, 507689,978602,1886316,3635991,7008598,13509507, 26040412,50194508,96753025,186497452,359485397, 692930382,1335666256,2574579487] |