n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 0 |
4 | 1 |
5 | 1 |
6 | 2 |
7 | 3 |
8 | 7 |
9 | 12 |
10 | 28 |
11 | 54 |
12 | 127 |
13 | 266 |
14 | 614 |
15 | 1356 |
16 | 3134 |
17 | 7091 |
18 | 16482 |
19 | 37929 |
20 | 88622 |
21 | 206295 |
22 | 484445 |
23 | 1136897 |
24 | 2682451 |
25 | 6333249 |
26 | 15005945 |
27 | 35595805 |
28 | 84649515 |
29 | 201560350 |
30 | 480845007 |
31 | 1148537092 |
32 | 2747477575 |
33 | 6579923491 |
34 | 15777658535 |
35 | 37871501929 |
[1,1,0,1,1,2,3,7,12,28,54,127,266,614,1356,3134, 7091,16482,37929,88622,206295,484445,1136897, 2682451,6333249,15005945,35595805,84649515, 201560350,480845007,1148537092,2747477575, 6579923491,15777658535,37871501929] |