n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 0 |
4 | 2 |
5 | 1 |
6 | 3 |
7 | 6 |
8 | 12 |
9 | 16 |
10 | 35 |
11 | 63 |
12 | 115 |
13 | 216 |
14 | 399 |
15 | 754 |
16 | 1418 |
17 | 2705 |
18 | 5077 |
19 | 9667 |
20 | 18403 |
21 | 35047 |
22 | 67045 |
23 | 128509 |
24 | 246330 |
25 | 473457 |
26 | 911409 |
27 | 1756619 |
28 | 3390969 |
29 | 6551382 |
30 | 12675118 |
31 | 24544171 |
32 | 47584397 |
33 | 92329550 |
34 | 179316852 |
35 | 348547854 |
36 | 678021581 |
37 | 1319945483 |
38 | 2571395286 |
[0,0,0,2,1,3,6,12,16,35,63,115,216,399,754,1418, 2705,5077,9667,18403,35047,67045,128509,246330, 473457,911409,1756619,3390969,6551382,12675118, 24544171,47584397,92329550,179316852,348547854, 678021581,1319945483,2571395286] |