n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 1 |
3 | 1 |
4 | 3 |
5 | 4 |
6 | 9 |
7 | 14 |
8 | 28 |
9 | 47 |
10 | 88 |
11 | 152 |
12 | 279 |
13 | 486 |
14 | 876 |
15 | 1539 |
16 | 2744 |
17 | 4824 |
18 | 8551 |
19 | 15023 |
20 | 26503 |
21 | 46509 |
22 | 81747 |
23 | 143210 |
24 | 251007 |
25 | 438915 |
26 | 767403 |
27 | 1339487 |
28 | 2336955 |
29 | 4071906 |
30 | 7090589 |
31 | 12333894 |
32 | 21440241 |
33 | 37235775 |
34 | 64624267 |
35 | 112067176 |
36 | 194209732 |
37 | 336313393 |
38 | 582019000 |
[1,0,1,1,3,4,9,14,28,47,88,152,279,486,876,1539, 2744,4824,8551,15023,26503,46509,81747,143210, 251007,438915,767403,1339487,2336955,4071906, 7090589,12333894,21440241,37235775,64624267, 112067176,194209732,336313393,582019000] |