n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 0 |
3 | 1 |
4 | 1 |
5 | 1 |
6 | 3 |
7 | 6 |
8 | 10 |
9 | 20 |
10 | 42 |
11 | 84 |
12 | 170 |
13 | 354 |
14 | 740 |
15 | 1549 |
16 | 3269 |
17 | 6945 |
18 | 14811 |
19 | 31711 |
20 | 68177 |
21 | 147091 |
22 | 318313 |
23 | 690837 |
24 | 1503351 |
25 | 3279445 |
26 | 7169907 |
27 | 15708485 |
28 | 34482475 |
29 | 75830981 |
30 | 167042763 |
31 | 368548926 |
32 | 814341362 |
33 | 1801867812 |
34 | 3992172298 |
35 | 8855912464 |
36 | 19668236110 |
[1,0,0,1,1,1,3,6,10,20,42,84,170,354,740,1549, 3269,6945,14811,31711,68177,147091,318313,690837, 1503351,3279445,7169907,15708485,34482475, 75830981,167042763,368548926,814341362,1801867812, 3992172298,8855912464,19668236110] |